25131015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 59911488

約数和(自身を除く): 34780473

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 19, 21, 35, 39, 45, 51, 57, 63, 65, 85, 91, 95, 105, 117, 119, 133, 153, 171, 195, 221, 247, 255, 273, 285, 315, 323, 357, 361, 399, 455, 585, 595, 663, 665, 741, 765, 819, 855, 969, 1071, 1083, 1105, 1197, 1235, 1365, 1547, 1615, 1729, 1785, 1805, 1989, 1995, 2223, 2261, 2527, 2907, 3249, 3315, 3705, 4095, 4199, 4641, 4693, 4845, 5187, 5355, 5415, 5985, 6137, 6783, 7581, 7735, 8645, 9945, 11115, 11305, 12597, 12635, 13923, 14079, 14535, 15561, 16245, 18411, 20349, 20995, 22743, 23205, 23465, 25935, 29393, 30685, 32851, 33915, 37791, 37905, 42237, 42959, 55233, 62985, 69615, 70395, 77805, 79781, 88179, 92055, 98553, 101745, 113715, 128877, 146965, 164255, 188955, 211185, 214795, 239343, 264537, 276165, 295659, 386631, 398905, 440895, 492765, 558467, 644385, 718029, 1196715, 1322685, 1478295, 1675401, 1933155, 2792335, 3590145, 5026203, 8377005, 25131015]

約数ペア:

[(1, 25131015), (3, 8377005), (5, 5026203), (7, 3590145), (9, 2792335), (13, 1933155), (15, 1675401), (17, 1478295), (19, 1322685), (21, 1196715), (35, 718029), (39, 644385), (45, 558467), (51, 492765), (57, 440895), (63, 398905), (65, 386631), (85, 295659), (91, 276165), (95, 264537), (105, 239343), (117, 214795), (119, 211185), (133, 188955), (153, 164255), (171, 146965), (195, 128877), (221, 113715), (247, 101745), (255, 98553), (273, 92055), (285, 88179), (315, 79781), (323, 77805), (357, 70395), (361, 69615), (399, 62985), (455, 55233), (585, 42959), (595, 42237), (663, 37905), (665, 37791), (741, 33915), (765, 32851), (819, 30685), (855, 29393), (969, 25935), (1071, 23465), (1083, 23205), (1105, 22743), (1197, 20995), (1235, 20349), (1365, 18411), (1547, 16245), (1615, 15561), (1729, 14535), (1785, 14079), (1805, 13923), (1989, 12635), (1995, 12597), (2223, 11305), (2261, 11115), (2527, 9945), (2907, 8645), (3249, 7735), (3315, 7581), (3705, 6783), (4095, 6137), (4199, 5985), (4641, 5415), (4693, 5355), (4845, 5187)]