31421991

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 46402560

約数和(自身を除く): 14980569

約数列:

[1, 3, 19, 37, 47, 57, 111, 141, 317, 703, 893, 951, 1739, 2109, 2679, 5217, 6023, 11729, 14899, 18069, 33041, 35187, 44697, 99123, 222851, 283081, 551263, 668553, 849243, 1653789, 10473997, 31421991]

約数ペア:

[(1, 31421991), (3, 10473997), (19, 1653789), (37, 849243), (47, 668553), (57, 551263), (111, 283081), (141, 222851), (317, 99123), (703, 44697), (893, 35187), (951, 33041), (1739, 18069), (2109, 14899), (2679, 11729), (5217, 6023)]