253365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 491520

約数和(自身を除く): 238155

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 127, 133, 285, 381, 399, 635, 665, 889, 1905, 1995, 2413, 2667, 4445, 7239, 12065, 13335, 16891, 36195, 50673, 84455, 253365]

約数ペア:

[(1, 253365), (3, 84455), (5, 50673), (7, 36195), (15, 16891), (19, 13335), (21, 12065), (35, 7239), (57, 4445), (95, 2667), (105, 2413), (127, 1995), (133, 1905), (285, 889), (381, 665), (399, 635)]