30731493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 47219200

約数和(自身を除く): 16487707

約数列:

[1, 3, 13, 19, 39, 57, 67, 201, 247, 619, 741, 871, 1273, 1857, 2613, 3819, 8047, 11761, 16549, 24141, 35283, 41473, 49647, 124419, 152893, 458679, 539149, 787987, 1617447, 2363961, 10243831, 30731493]

約数ペア:

[(1, 30731493), (3, 10243831), (13, 2363961), (19, 1617447), (39, 787987), (57, 539149), (67, 458679), (201, 152893), (247, 124419), (619, 49647), (741, 41473), (871, 35283), (1273, 24141), (1857, 16549), (2613, 11761), (3819, 8047)]