30381975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 108

約数和(自身を含む): 63719136

約数和(自身を除く): 33337161

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 47, 51, 65, 75, 85, 117, 141, 153, 169, 195, 221, 225, 235, 255, 325, 423, 425, 507, 585, 611, 663, 705, 765, 799, 845, 975, 1105, 1175, 1275, 1521, 1833, 1989, 2115, 2397, 2535, 2873, 2925, 3055, 3315, 3525, 3825, 3995, 4225, 5499, 5525, 7191, 7605, 7943, 8619, 9165, 9945, 10387, 10575, 11985, 12675, 14365, 15275, 16575, 19975, 23829, 25857, 27495, 31161, 35955, 38025, 39715, 43095, 45825, 49725, 51935, 59925, 71487, 71825, 93483, 119145, 129285, 135031, 137475, 155805, 179775, 198575, 215475, 259675, 357435, 405093, 467415, 595725, 646425, 675155, 779025, 1215279, 1787175, 2025465, 2337075, 3375775, 6076395, 10127325, 30381975]

約数ペア:

[(1, 30381975), (3, 10127325), (5, 6076395), (9, 3375775), (13, 2337075), (15, 2025465), (17, 1787175), (25, 1215279), (39, 779025), (45, 675155), (47, 646425), (51, 595725), (65, 467415), (75, 405093), (85, 357435), (117, 259675), (141, 215475), (153, 198575), (169, 179775), (195, 155805), (221, 137475), (225, 135031), (235, 129285), (255, 119145), (325, 93483), (423, 71825), (425, 71487), (507, 59925), (585, 51935), (611, 49725), (663, 45825), (705, 43095), (765, 39715), (799, 38025), (845, 35955), (975, 31161), (1105, 27495), (1175, 25857), (1275, 23829), (1521, 19975), (1833, 16575), (1989, 15275), (2115, 14365), (2397, 12675), (2535, 11985), (2873, 10575), (2925, 10387), (3055, 9945), (3315, 9165), (3525, 8619), (3825, 7943), (3995, 7605), (4225, 7191), (5499, 5525)]