31993665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 56650752

約数和(自身を除く): 24657087

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 2731, 3905, 8193, 11715, 13655, 30041, 40965, 90123, 150205, 193901, 450615, 581703, 969505, 2132911, 2908515, 6398733, 10664555, 31993665]

約数ペア:

[(1, 31993665), (3, 10664555), (5, 6398733), (11, 2908515), (15, 2132911), (33, 969505), (55, 581703), (71, 450615), (165, 193901), (213, 150205), (355, 90123), (781, 40965), (1065, 30041), (2343, 13655), (2731, 11715), (3905, 8193)]