641261655

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{6451}}^1$

素因数の和:6556

約数の個数: 36

約数和(自身を含む): 1135848792

約数和(自身を除く): 494587137

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 2209, 6451, 6627, 11045, 19353, 19881, 32255, 33135, 58059, 96765, 99405, 290295, 303197, 909591, 1515985, 2728773, 4547955, 13643865, 14250259, 42750777, 71251295, 128252331, 213753885, 641261655]

約数ペア:

[(1, 641261655), (3, 213753885), (5, 128252331), (9, 71251295), (15, 42750777), (45, 14250259), (47, 13643865), (141, 4547955), (235, 2728773), (423, 1515985), (705, 909591), (2115, 303197), (2209, 290295), (6451, 99405), (6627, 96765), (11045, 58059), (19353, 33135), (19881, 32255)]