15783681

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 23298048

約数和(自身を除く): 7514367

約数列:

[1, 3, 23, 31, 47, 69, 93, 141, 157, 471, 713, 1081, 1457, 2139, 3243, 3611, 4371, 4867, 7379, 10833, 14601, 22137, 33511, 100533, 111941, 169717, 228749, 335823, 509151, 686247, 5261227, 15783681]

約数ペア:

[(1, 15783681), (3, 5261227), (23, 686247), (31, 509151), (47, 335823), (69, 228749), (93, 169717), (141, 111941), (157, 100533), (471, 33511), (713, 22137), (1081, 14601), (1457, 10833), (2139, 7379), (3243, 4867), (3611, 4371)]