1388577519

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{40591}}^1$

素因数の和:40788

約数の個数: 32

約数和(自身を含む): 2364078080

約数和(自身を除く): 975500561

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 1267, 1629, 3801, 4887, 11403, 34209, 40591, 121773, 284137, 365319, 852411, 1095957, 2557233, 7346971, 7671699, 22040913, 51428797, 66122739, 154286391, 198368217, 462859173, 1388577519]

約数ペア:

[(1, 1388577519), (3, 462859173), (7, 198368217), (9, 154286391), (21, 66122739), (27, 51428797), (63, 22040913), (181, 7671699), (189, 7346971), (543, 2557233), (1267, 1095957), (1629, 852411), (3801, 365319), (4887, 284137), (11403, 121773), (34209, 40591)]