380457

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 40

約数和(自身を含む): 720192

約数和(自身を除く): 339735

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 61, 63, 77, 81, 99, 183, 189, 231, 297, 427, 549, 567, 671, 693, 891, 1281, 1647, 2013, 2079, 3843, 4697, 4941, 6039, 6237, 11529, 14091, 18117, 34587, 42273, 54351, 126819, 380457]

約数ペア:

[(1, 380457), (3, 126819), (7, 54351), (9, 42273), (11, 34587), (21, 18117), (27, 14091), (33, 11529), (61, 6237), (63, 6039), (77, 4941), (81, 4697), (99, 3843), (183, 2079), (189, 2013), (231, 1647), (297, 1281), (427, 891), (549, 693), (567, 671)]