209898375

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{19301}}^1$

素因数の和:19348

約数の個数: 32

約数和(自身を含む): 361333440

約数和(自身を除く): 151435065

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 2175, 3625, 10875, 19301, 57903, 96505, 289515, 482525, 559729, 1447575, 1679187, 2412625, 2798645, 7237875, 8395935, 13993225, 41979675, 69966125, 209898375]

約数ペア:

[(1, 209898375), (3, 69966125), (5, 41979675), (15, 13993225), (25, 8395935), (29, 7237875), (75, 2798645), (87, 2412625), (125, 1679187), (145, 1447575), (375, 559729), (435, 482525), (725, 289515), (2175, 96505), (3625, 57903), (10875, 19301)]