2245425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 4749696

約数和(自身を除く): 2504271

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 47, 49, 65, 75, 91, 105, 141, 147, 175, 195, 235, 245, 273, 325, 329, 455, 525, 611, 637, 705, 735, 975, 987, 1175, 1225, 1365, 1645, 1833, 1911, 2275, 2303, 3055, 3185, 3525, 3675, 4277, 4935, 6825, 6909, 8225, 9165, 9555, 11515, 12831, 15275, 15925, 21385, 24675, 29939, 34545, 45825, 47775, 57575, 64155, 89817, 106925, 149695, 172725, 320775, 449085, 748475, 2245425]

約数ペア:

[(1, 2245425), (3, 748475), (5, 449085), (7, 320775), (13, 172725), (15, 149695), (21, 106925), (25, 89817), (35, 64155), (39, 57575), (47, 47775), (49, 45825), (65, 34545), (75, 29939), (91, 24675), (105, 21385), (141, 15925), (147, 15275), (175, 12831), (195, 11515), (235, 9555), (245, 9165), (273, 8225), (325, 6909), (329, 6825), (455, 4935), (525, 4277), (611, 3675), (637, 3525), (705, 3185), (735, 3055), (975, 2303), (987, 2275), (1175, 1911), (1225, 1833), (1365, 1645)]