393469785

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{28297}}^1$

素因数の和:28414

約数の個数: 32

約数和(自身を含む): 706318080

約数和(自身を除く): 312848295

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 13905, 28297, 84891, 141485, 254673, 424455, 764019, 1273365, 2914591, 3820095, 8743773, 14572955, 26231319, 43718865, 78693957, 131156595, 393469785]

約数ペア:

[(1, 393469785), (3, 131156595), (5, 78693957), (9, 43718865), (15, 26231319), (27, 14572955), (45, 8743773), (103, 3820095), (135, 2914591), (309, 1273365), (515, 764019), (927, 424455), (1545, 254673), (2781, 141485), (4635, 84891), (13905, 28297)]