420728799

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 602035200

約数和(自身を除く): 181306401

約数列:

[1, 3, 19, 57, 79, 233, 237, 401, 699, 1203, 1501, 4427, 4503, 7619, 13281, 18407, 22857, 31679, 55221, 93433, 95037, 280299, 349733, 601901, 1049199, 1775227, 1805703, 5325681, 7381207, 22143621, 140242933, 420728799]

約数ペア:

[(1, 420728799), (3, 140242933), (19, 22143621), (57, 7381207), (79, 5325681), (233, 1805703), (237, 1775227), (401, 1049199), (699, 601901), (1203, 349733), (1501, 280299), (4427, 95037), (4503, 93433), (7619, 55221), (13281, 31679), (18407, 22857)]