68581331

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 93155328

約数和(自身を除く): 24573997

約数列:

[1, 7, 13, 23, 31, 49, 91, 151, 161, 217, 299, 403, 637, 713, 1057, 1127, 1519, 1963, 2093, 2821, 3473, 4681, 4991, 7399, 9269, 13741, 14651, 19747, 24311, 32767, 34937, 45149, 60853, 64883, 96187, 107663, 170177, 229369, 316043, 425971, 454181, 753641, 1399619, 2212301, 2981797, 5275487, 9797333, 68581331]

約数ペア:

[(1, 68581331), (7, 9797333), (13, 5275487), (23, 2981797), (31, 2212301), (49, 1399619), (91, 753641), (151, 454181), (161, 425971), (217, 316043), (299, 229369), (403, 170177), (637, 107663), (713, 96187), (1057, 64883), (1127, 60853), (1519, 45149), (1963, 34937), (2093, 32767), (2821, 24311), (3473, 19747), (4681, 14651), (4991, 13741), (7399, 9269)]