921380607

素因数分解:

$3^2\times 7^1\times {\mathrm{2089}}^1\times {\mathrm{7001}}^1$

素因数の和:9103

約数の個数: 24

約数和(自身を含む): 1521954720

約数和(自身を除く): 600574113

約数列:

[1, 3, 7, 9, 21, 63, 2089, 6267, 7001, 14623, 18801, 21003, 43869, 49007, 63009, 131607, 147021, 441063, 14625089, 43875267, 102375623, 131625801, 307126869, 921380607]

約数ペア:

[(1, 921380607), (3, 307126869), (7, 131625801), (9, 102375623), (21, 43875267), (63, 14625089), (2089, 441063), (6267, 147021), (7001, 131607), (14623, 63009), (18801, 49007), (21003, 43869)]