251017365

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{4507}}^1$

素因数の和:4641

約数の個数: 32

約数和(自身を含む): 415457280

約数和(自身を除く): 164439915

約数列:

[1, 3, 5, 15, 47, 79, 141, 235, 237, 395, 705, 1185, 3713, 4507, 11139, 13521, 18565, 22535, 55695, 67605, 211829, 356053, 635487, 1059145, 1068159, 1780265, 3177435, 5340795, 16734491, 50203473, 83672455, 251017365]

約数ペア:

[(1, 251017365), (3, 83672455), (5, 50203473), (15, 16734491), (47, 5340795), (79, 3177435), (141, 1780265), (235, 1068159), (237, 1059145), (395, 635487), (705, 356053), (1185, 211829), (3713, 67605), (4507, 55695), (11139, 22535), (13521, 18565)]