399771837

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 623750400

約数和(自身を除く): 223978563

約数列:

[1, 3, 9, 19, 57, 79, 101, 171, 237, 293, 303, 711, 879, 909, 1501, 1919, 2637, 4503, 5567, 5757, 7979, 13509, 16701, 17271, 23147, 23937, 29593, 50103, 69441, 71811, 88779, 151601, 208323, 266337, 439793, 454803, 562267, 1319379, 1364409, 1686801, 2337847, 3958137, 5060403, 7013541, 21040623, 44419093, 133257279, 399771837]

約数ペア:

[(1, 399771837), (3, 133257279), (9, 44419093), (19, 21040623), (57, 7013541), (79, 5060403), (101, 3958137), (171, 2337847), (237, 1686801), (293, 1364409), (303, 1319379), (711, 562267), (879, 454803), (909, 439793), (1501, 266337), (1919, 208323), (2637, 151601), (4503, 88779), (5567, 71811), (5757, 69441), (7979, 50103), (13509, 29593), (16701, 23937), (17271, 23147)]