27031815

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12781}}^1$

素因数の和:12839

約数の個数: 24

約数和(自身を含む): 47855808

約数和(自身を除く): 20823993

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 12781, 38343, 63905, 115029, 191715, 575145, 600707, 1802121, 3003535, 5406363, 9010605, 27031815]

約数ペア:

[(1, 27031815), (3, 9010605), (5, 5406363), (9, 3003535), (15, 1802121), (45, 600707), (47, 575145), (141, 191715), (235, 115029), (423, 63905), (705, 38343), (2115, 12781)]