15901977

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 26951680

約数和(自身を除く): 11049703

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 1879, 2821, 5637, 8463, 13153, 24427, 39459, 58249, 73281, 170989, 174747, 407743, 512967, 757237, 1223229, 2271711, 5300659, 15901977]

約数ペア:

[(1, 15901977), (3, 5300659), (7, 2271711), (13, 1223229), (21, 757237), (31, 512967), (39, 407743), (91, 174747), (93, 170989), (217, 73281), (273, 58249), (403, 39459), (651, 24427), (1209, 13153), (1879, 8463), (2821, 5637)]