1281815928

素因数分解:

$2^3\times 3^4\times {\mathrm{1978111}}^1$

素因数の和:1978129

約数の個数: 40

約数和(自身を含む): 3590273280

約数和(自身を除く): 2308457352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1978111, 3956222, 5934333, 7912444, 11868666, 15824888, 17802999, 23737332, 35605998, 47474664, 53408997, 71211996, 106817994, 142423992, 160226991, 213635988, 320453982, 427271976, 640907964, 1281815928]

約数ペア:

[(1, 1281815928), (2, 640907964), (3, 427271976), (4, 320453982), (6, 213635988), (8, 160226991), (9, 142423992), (12, 106817994), (18, 71211996), (24, 53408997), (27, 47474664), (36, 35605998), (54, 23737332), (72, 17802999), (81, 15824888), (108, 11868666), (162, 7912444), (216, 5934333), (324, 3956222), (648, 1978111)]