31440465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 62789376

約数和(自身を除く): 31348911

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 151, 315, 453, 661, 755, 1057, 1359, 1983, 2265, 3171, 3305, 4627, 5285, 5949, 6795, 9513, 9915, 13881, 15855, 23135, 29745, 41643, 47565, 69405, 99811, 208215, 299433, 499055, 698677, 898299, 1497165, 2096031, 3493385, 4491495, 6288093, 10480155, 31440465]

約数ペア:

[(1, 31440465), (3, 10480155), (5, 6288093), (7, 4491495), (9, 3493385), (15, 2096031), (21, 1497165), (35, 898299), (45, 698677), (63, 499055), (105, 299433), (151, 208215), (315, 99811), (453, 69405), (661, 47565), (755, 41643), (1057, 29745), (1359, 23135), (1983, 15855), (2265, 13881), (3171, 9915), (3305, 9513), (4627, 6795), (5285, 5949)]