977171475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{15641}}^1$

素因数の和:15685

約数の個数: 72

約数和(自身を含む): 1990037808

約数和(自身を除く): 1012866333

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 425, 525, 595, 735, 833, 1225, 1275, 1785, 2499, 2975, 3675, 4165, 8925, 12495, 15641, 20825, 46923, 62475, 78205, 109487, 234615, 265897, 328461, 391025, 547435, 766409, 797691, 1173075, 1329485, 1642305, 1861279, 2299227, 2737175, 3832045, 3988455, 5583837, 6647425, 8211525, 9306395, 11496135, 13028953, 19160225, 19942275, 27919185, 39086859, 46531975, 57480675, 65144765, 139595925, 195434295, 325723825, 977171475]

約数ペア:

[(1, 977171475), (3, 325723825), (5, 195434295), (7, 139595925), (15, 65144765), (17, 57480675), (21, 46531975), (25, 39086859), (35, 27919185), (49, 19942275), (51, 19160225), (75, 13028953), (85, 11496135), (105, 9306395), (119, 8211525), (147, 6647425), (175, 5583837), (245, 3988455), (255, 3832045), (357, 2737175), (425, 2299227), (525, 1861279), (595, 1642305), (735, 1329485), (833, 1173075), (1225, 797691), (1275, 766409), (1785, 547435), (2499, 391025), (2975, 328461), (3675, 265897), (4165, 234615), (8925, 109487), (12495, 78205), (15641, 62475), (20825, 46923)]