16930725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 34604928

約数和(自身を除く): 17674203

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 271, 357, 425, 525, 595, 735, 813, 833, 1225, 1275, 1355, 1785, 1897, 2499, 2975, 3675, 4065, 4165, 4607, 5691, 6775, 8925, 9485, 12495, 13279, 13821, 20325, 20825, 23035, 28455, 32249, 39837, 47425, 62475, 66395, 69105, 96747, 115175, 142275, 161245, 199185, 225743, 331975, 345525, 483735, 677229, 806225, 995925, 1128715, 2418675, 3386145, 5643575, 16930725]

約数ペア:

[(1, 16930725), (3, 5643575), (5, 3386145), (7, 2418675), (15, 1128715), (17, 995925), (21, 806225), (25, 677229), (35, 483735), (49, 345525), (51, 331975), (75, 225743), (85, 199185), (105, 161245), (119, 142275), (147, 115175), (175, 96747), (245, 69105), (255, 66395), (271, 62475), (357, 47425), (425, 39837), (525, 32249), (595, 28455), (735, 23035), (813, 20825), (833, 20325), (1225, 13821), (1275, 13279), (1355, 12495), (1785, 9485), (1897, 8925), (2499, 6775), (2975, 5691), (3675, 4607), (4065, 4165)]