8128575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 17964128

約数和(自身を除く): 9835553

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 397, 455, 525, 585, 819, 975, 1191, 1365, 1575, 1985, 2275, 2779, 2925, 3573, 4095, 5161, 5955, 6825, 8337, 9925, 13895, 15483, 17865, 20475, 25011, 25805, 29775, 36127, 41685, 46449, 69475, 77415, 89325, 108381, 125055, 129025, 180635, 208425, 232245, 325143, 387075, 541905, 625275, 903175, 1161225, 1625715, 2709525, 8128575]

約数ペア:

[(1, 8128575), (3, 2709525), (5, 1625715), (7, 1161225), (9, 903175), (13, 625275), (15, 541905), (21, 387075), (25, 325143), (35, 232245), (39, 208425), (45, 180635), (63, 129025), (65, 125055), (75, 108381), (91, 89325), (105, 77415), (117, 69475), (175, 46449), (195, 41685), (225, 36127), (273, 29775), (315, 25805), (325, 25011), (397, 20475), (455, 17865), (525, 15483), (585, 13895), (819, 9925), (975, 8337), (1191, 6825), (1365, 5955), (1575, 5161), (1985, 4095), (2275, 3573), (2779, 2925)]