9991755

素因数分解:

$3^4\times 5^1\times {\mathrm{24671}}^1$

素因数の和:24688

約数の個数: 20

約数和(自身を含む): 17911872

約数和(自身を除く): 7920117

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 24671, 74013, 123355, 222039, 370065, 666117, 1110195, 1998351, 3330585, 9991755]

約数ペア:

[(1, 9991755), (3, 3330585), (5, 1998351), (9, 1110195), (15, 666117), (27, 370065), (45, 222039), (81, 123355), (135, 74013), (405, 24671)]