331389435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{3943}}^1$

素因数の和:4395

約数の個数: 32

約数和(自身を含む): 572479488

約数和(自身を除く): 241090053

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 431, 1293, 2155, 3943, 5603, 6465, 11829, 16809, 19715, 28015, 51259, 59145, 84045, 153777, 256295, 768885, 1699433, 5098299, 8497165, 22092629, 25491495, 66277887, 110463145, 331389435]

約数ペア:

[(1, 331389435), (3, 110463145), (5, 66277887), (13, 25491495), (15, 22092629), (39, 8497165), (65, 5098299), (195, 1699433), (431, 768885), (1293, 256295), (2155, 153777), (3943, 84045), (5603, 59145), (6465, 51259), (11829, 28015), (16809, 19715)]