15510123

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:888

約数の個数: 20

約数和(自身を含む): 23275560

約数和(自身を除く): 7765437

約数列:

[1, 3, 9, 27, 81, 419, 457, 1257, 1371, 3771, 4113, 11313, 12339, 33939, 37017, 191483, 574449, 1723347, 5170041, 15510123]

約数ペア:

[(1, 15510123), (3, 5170041), (9, 1723347), (27, 574449), (81, 191483), (419, 37017), (457, 33939), (1257, 12339), (1371, 11313), (3771, 4113)]