19973625

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{1087}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 38697984

約数和(自身を除く): 18724359

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 735, 875, 1087, 1225, 2625, 3261, 3675, 5435, 6125, 7609, 16305, 18375, 22827, 27175, 38045, 53263, 81525, 114135, 135875, 159789, 190225, 266315, 407625, 570675, 798945, 951125, 1331575, 2853375, 3994725, 6657875, 19973625]

約数ペア:

[(1, 19973625), (3, 6657875), (5, 3994725), (7, 2853375), (15, 1331575), (21, 951125), (25, 798945), (35, 570675), (49, 407625), (75, 266315), (105, 190225), (125, 159789), (147, 135875), (175, 114135), (245, 81525), (375, 53263), (525, 38045), (735, 27175), (875, 22827), (1087, 18375), (1225, 16305), (2625, 7609), (3261, 6125), (3675, 5435)]