31103985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1439}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 23639055

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1439, 1441, 1965, 4317, 4323, 7195, 7205, 15829, 21585, 21615, 47487, 79145, 188509, 237435, 565527, 942545, 2073599, 2827635, 6220797, 10367995, 31103985]

約数ペア:

[(1, 31103985), (3, 10367995), (5, 6220797), (11, 2827635), (15, 2073599), (33, 942545), (55, 565527), (131, 237435), (165, 188509), (393, 79145), (655, 47487), (1439, 21615), (1441, 21585), (1965, 15829), (4317, 7205), (4323, 7195)]