291215145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{2287}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 502774272

約数和(自身を除く): 211559127

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 653, 1959, 2287, 3265, 6861, 8489, 9795, 11435, 25467, 29731, 34305, 42445, 89193, 127335, 148655, 445965, 1493411, 4480233, 7467055, 19414343, 22401165, 58243029, 97071715, 291215145]

約数ペア:

[(1, 291215145), (3, 97071715), (5, 58243029), (13, 22401165), (15, 19414343), (39, 7467055), (65, 4480233), (195, 1493411), (653, 445965), (1959, 148655), (2287, 127335), (3265, 89193), (6861, 42445), (8489, 34305), (9795, 29731), (11435, 25467)]