71823915

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1627}}^1$

素因数の和:1753

約数の個数: 40

約数和(自身を含む): 130012080

約数和(自身を除く): 58188165

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 981, 1627, 1635, 2943, 4881, 4905, 8135, 8829, 14643, 14715, 24405, 43929, 44145, 73215, 131787, 177343, 219645, 532029, 658935, 886715, 1596087, 2660145, 4788261, 7980435, 14364783, 23941305, 71823915]

約数ペア:

[(1, 71823915), (3, 23941305), (5, 14364783), (9, 7980435), (15, 4788261), (27, 2660145), (45, 1596087), (81, 886715), (109, 658935), (135, 532029), (327, 219645), (405, 177343), (545, 131787), (981, 73215), (1627, 44145), (1635, 43929), (2943, 24405), (4881, 14715), (4905, 14643), (8135, 8829)]