128157435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{971}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 254741760

約数和(自身を除く): 126584325

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 419, 971, 1257, 2095, 2913, 2933, 3771, 4855, 6285, 6797, 8739, 8799, 14565, 14665, 18855, 20391, 26397, 33985, 43695, 43995, 61173, 101955, 131985, 305865, 406849, 1220547, 2034245, 2847943, 3661641, 6102735, 8543829, 14239715, 18308205, 25631487, 42719145, 128157435]

約数ペア:

[(1, 128157435), (3, 42719145), (5, 25631487), (7, 18308205), (9, 14239715), (15, 8543829), (21, 6102735), (35, 3661641), (45, 2847943), (63, 2034245), (105, 1220547), (315, 406849), (419, 305865), (971, 131985), (1257, 101955), (2095, 61173), (2913, 43995), (2933, 43695), (3771, 33985), (4855, 26397), (6285, 20391), (6797, 18855), (8739, 14665), (8799, 14565)]