665787279

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 963072000

約数和(自身を除く): 297284721

約数列:

[1, 3, 23, 31, 69, 93, 149, 447, 713, 2089, 2139, 3427, 4619, 6267, 10281, 13857, 48047, 64759, 106237, 144141, 194277, 311261, 318711, 933783, 1489457, 4468371, 7159003, 9649091, 21477009, 28947273, 221929093, 665787279]

約数ペア:

[(1, 665787279), (3, 221929093), (23, 28947273), (31, 21477009), (69, 9649091), (93, 7159003), (149, 4468371), (447, 1489457), (713, 933783), (2089, 318711), (2139, 311261), (3427, 194277), (4619, 144141), (6267, 106237), (10281, 64759), (13857, 48047)]