2220735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 3979008

約数和(自身を除く): 1758273

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 313, 473, 645, 939, 1419, 1565, 2365, 3443, 4695, 7095, 10329, 13459, 17215, 40377, 51645, 67295, 148049, 201885, 444147, 740245, 2220735]

約数ペア:

[(1, 2220735), (3, 740245), (5, 444147), (11, 201885), (15, 148049), (33, 67295), (43, 51645), (55, 40377), (129, 17215), (165, 13459), (215, 10329), (313, 7095), (473, 4695), (645, 3443), (939, 2365), (1419, 1565)]