12621973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 16934400

約数和(自身を除く): 4312427

約数列:

[1, 7, 13, 17, 41, 91, 119, 199, 221, 287, 533, 697, 1393, 1547, 2587, 3383, 3731, 4879, 8159, 9061, 18109, 23681, 43979, 57113, 63427, 106067, 138703, 307853, 742469, 970921, 1803139, 12621973]

約数ペア:

[(1, 12621973), (7, 1803139), (13, 970921), (17, 742469), (41, 307853), (91, 138703), (119, 106067), (199, 63427), (221, 57113), (287, 43979), (533, 23681), (697, 18109), (1393, 9061), (1547, 8159), (2587, 4879), (3383, 3731)]