23438565

素因数分解:

$3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 19332891

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 191, 243, 303, 405, 505, 573, 909, 955, 1215, 1515, 1719, 2727, 2865, 4545, 5157, 8181, 8595, 13635, 15471, 19291, 24543, 25785, 40905, 46413, 57873, 77355, 96455, 122715, 173619, 232065, 289365, 520857, 868095, 1562571, 2604285, 4687713, 7812855, 23438565]

約数ペア:

[(1, 23438565), (3, 7812855), (5, 4687713), (9, 2604285), (15, 1562571), (27, 868095), (45, 520857), (81, 289365), (101, 232065), (135, 173619), (191, 122715), (243, 96455), (303, 77355), (405, 57873), (505, 46413), (573, 40905), (909, 25785), (955, 24543), (1215, 19291), (1515, 15471), (1719, 13635), (2727, 8595), (2865, 8181), (4545, 5157)]