129450111

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 207498240

約数和(自身を除く): 78048129

約数列:

[1, 3, 7, 21, 49, 71, 79, 147, 157, 213, 237, 471, 497, 553, 1099, 1491, 1659, 3297, 3479, 3871, 5609, 7693, 10437, 11147, 11613, 12403, 16827, 23079, 33441, 37209, 39263, 78029, 86821, 117789, 234087, 260463, 274841, 546203, 607747, 824523, 880613, 1638609, 1823241, 2641839, 6164291, 18492873, 43150037, 129450111]

約数ペア:

[(1, 129450111), (3, 43150037), (7, 18492873), (21, 6164291), (49, 2641839), (71, 1823241), (79, 1638609), (147, 880613), (157, 824523), (213, 607747), (237, 546203), (471, 274841), (497, 260463), (553, 234087), (1099, 117789), (1491, 86821), (1659, 78029), (3297, 39263), (3479, 37209), (3871, 33441), (5609, 23079), (7693, 16827), (10437, 12403), (11147, 11613)]