71455251

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2243}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 114605568

約数和(自身を除く): 43150317

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 777, 861, 1517, 2243, 4551, 6729, 10619, 15701, 31857, 47103, 82991, 91963, 248973, 275889, 580937, 643741, 1742811, 1931223, 3402631, 10207893, 23818417, 71455251]

約数ペア:

[(1, 71455251), (3, 23818417), (7, 10207893), (21, 3402631), (37, 1931223), (41, 1742811), (111, 643741), (123, 580937), (259, 275889), (287, 248973), (777, 91963), (861, 82991), (1517, 47103), (2243, 31857), (4551, 15701), (6729, 10619)]