68905215

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 128217600

約数和(自身を除く): 59312385

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 59, 123, 135, 177, 205, 211, 295, 369, 531, 615, 633, 885, 1055, 1107, 1593, 1845, 1899, 2419, 2655, 3165, 5535, 5697, 7257, 7965, 8651, 9495, 12095, 12449, 21771, 25953, 28485, 36285, 37347, 43255, 62245, 65313, 77859, 108855, 112041, 129765, 186735, 233577, 326565, 336123, 389295, 510409, 560205, 1167885, 1531227, 1680615, 2552045, 4593681, 7656135, 13781043, 22968405, 68905215]

約数ペア:

[(1, 68905215), (3, 22968405), (5, 13781043), (9, 7656135), (15, 4593681), (27, 2552045), (41, 1680615), (45, 1531227), (59, 1167885), (123, 560205), (135, 510409), (177, 389295), (205, 336123), (211, 326565), (295, 233577), (369, 186735), (531, 129765), (615, 112041), (633, 108855), (885, 77859), (1055, 65313), (1107, 62245), (1593, 43255), (1845, 37347), (1899, 36285), (2419, 28485), (2655, 25953), (3165, 21771), (5535, 12449), (5697, 12095), (7257, 9495), (7965, 8651)]