207921375

素因数分解:

$3^2\times 5^3\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 376559040

約数和(自身を除く): 168637665

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 421, 439, 1125, 1263, 1317, 2105, 2195, 3789, 3951, 6315, 6585, 10525, 10975, 18945, 19755, 31575, 32925, 52625, 54875, 94725, 98775, 157875, 164625, 184819, 473625, 493875, 554457, 924095, 1663371, 2772285, 4620475, 8316855, 13861425, 23102375, 41584275, 69307125, 207921375]

約数ペア:

[(1, 207921375), (3, 69307125), (5, 41584275), (9, 23102375), (15, 13861425), (25, 8316855), (45, 4620475), (75, 2772285), (125, 1663371), (225, 924095), (375, 554457), (421, 493875), (439, 473625), (1125, 184819), (1263, 164625), (1317, 157875), (2105, 98775), (2195, 94725), (3789, 54875), (3951, 52625), (6315, 32925), (6585, 31575), (10525, 19755), (10975, 18945)]