72725331

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1613}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 117757440

約数和(自身を除く): 45032109

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 1613, 2147, 2373, 4839, 6441, 11291, 15029, 30647, 33873, 45087, 91941, 182269, 214529, 546807, 643587, 1275883, 3463111, 3827649, 10389333, 24241777, 72725331]

約数ペア:

[(1, 72725331), (3, 24241777), (7, 10389333), (19, 3827649), (21, 3463111), (57, 1275883), (113, 643587), (133, 546807), (339, 214529), (399, 182269), (791, 91941), (1613, 45087), (2147, 33873), (2373, 30647), (4839, 15029), (6441, 11291)]