31686249

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 53756928

約数和(自身を除く): 22070679

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 227, 289, 357, 391, 483, 681, 867, 1173, 1589, 2023, 2737, 3859, 4767, 5221, 6069, 6647, 8211, 11577, 15663, 19941, 27013, 36547, 46529, 65603, 81039, 88757, 109641, 139587, 196809, 266271, 459221, 621299, 1377663, 1508869, 1863897, 4526607, 10562083, 31686249]

約数ペア:

[(1, 31686249), (3, 10562083), (7, 4526607), (17, 1863897), (21, 1508869), (23, 1377663), (51, 621299), (69, 459221), (119, 266271), (161, 196809), (227, 139587), (289, 109641), (357, 88757), (391, 81039), (483, 65603), (681, 46529), (867, 36547), (1173, 27013), (1589, 19941), (2023, 15663), (2737, 11577), (3859, 8211), (4767, 6647), (5221, 6069)]