23191515

素因数分解:

$3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 41939568

約数和(自身を除く): 18748053

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 331, 405, 519, 865, 993, 1557, 1655, 2595, 2979, 4671, 4965, 7785, 8937, 14013, 14895, 23355, 26811, 44685, 57263, 70065, 134055, 171789, 286315, 515367, 858945, 1546101, 2576835, 4638303, 7730505, 23191515]

約数ペア:

[(1, 23191515), (3, 7730505), (5, 4638303), (9, 2576835), (15, 1546101), (27, 858945), (45, 515367), (81, 286315), (135, 171789), (173, 134055), (331, 70065), (405, 57263), (519, 44685), (865, 26811), (993, 23355), (1557, 14895), (1655, 14013), (2595, 8937), (2979, 7785), (4671, 4965)]