31679921

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 40688424

約数和(自身を除く): 9008503

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 1213, 2009, 3731, 8491, 15769, 26117, 49733, 59437, 110383, 348131, 646529, 772681, 2436917, 4525703, 31679921]

約数ペア:

[(1, 31679921), (7, 4525703), (13, 2436917), (41, 772681), (49, 646529), (91, 348131), (287, 110383), (533, 59437), (637, 49733), (1213, 26117), (2009, 15769), (3731, 8491)]