155514331371

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389760229}}^1$

素因数の和:389760258

約数の個数: 16

約数和(自身を含む): 249446547200

約数和(自身を除く): 93932215829

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 389760229, 1169280687, 2728321603, 7405444351, 8184964809, 22216333053, 51838110457, 155514331371]

約数ペア:

[(1, 155514331371), (3, 51838110457), (7, 22216333053), (19, 8184964809), (21, 7405444351), (57, 2728321603), (133, 1169280687), (399, 389760229)]