56757105

素因数分解:

$3^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:767

約数の個数: 40

約数和(自身を含む): 102287592

約数和(自身を除く): 45530487

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 353, 397, 405, 1059, 1191, 1765, 1985, 3177, 3573, 5295, 5955, 9531, 10719, 15885, 17865, 28593, 32157, 47655, 53595, 140141, 142965, 160785, 420423, 700705, 1261269, 2102115, 3783807, 6306345, 11351421, 18919035, 56757105]

約数ペア:

[(1, 56757105), (3, 18919035), (5, 11351421), (9, 6306345), (15, 3783807), (27, 2102115), (45, 1261269), (81, 700705), (135, 420423), (353, 160785), (397, 142965), (405, 140141), (1059, 53595), (1191, 47655), (1765, 32157), (1985, 28593), (3177, 17865), (3573, 15885), (5295, 10719), (5955, 9531)]