56481789

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{661}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 93124864

約数和(自身を除く): 36643075

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 313, 661, 939, 1983, 2191, 4069, 4627, 6573, 8593, 12207, 13881, 25779, 28483, 60151, 85449, 180453, 206893, 620679, 1448251, 2689609, 4344753, 8068827, 18827263, 56481789]

約数ペア:

[(1, 56481789), (3, 18827263), (7, 8068827), (13, 4344753), (21, 2689609), (39, 1448251), (91, 620679), (273, 206893), (313, 180453), (661, 85449), (939, 60151), (1983, 28483), (2191, 25779), (4069, 13881), (4627, 12207), (6573, 8593)]