23405355

素因数分解:

$3^4\times 5^1\times {\mathrm{57791}}^1$

素因数の和:57808

約数の個数: 20

約数和(自身を含む): 41956992

約数和(自身を除く): 18551637

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 57791, 173373, 288955, 520119, 866865, 1560357, 2600595, 4681071, 7801785, 23405355]

約数ペア:

[(1, 23405355), (3, 7801785), (5, 4681071), (9, 2600595), (15, 1560357), (27, 866865), (45, 520119), (81, 288955), (135, 173373), (405, 57791)]