13373815

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 22530960

約数和(自身を除く): 9157145

約数列:

[1, 5, 7, 13, 17, 19, 35, 49, 65, 85, 91, 95, 119, 133, 169, 221, 245, 247, 323, 455, 595, 637, 665, 833, 845, 931, 1105, 1183, 1235, 1547, 1615, 1729, 2261, 2873, 3185, 3211, 4165, 4199, 4655, 5915, 7735, 8281, 8645, 10829, 11305, 12103, 14365, 15827, 16055, 20111, 20995, 22477, 29393, 41405, 54145, 54587, 60515, 79135, 100555, 112385, 140777, 146965, 157339, 205751, 272935, 382109, 703885, 786695, 1028755, 1910545, 2674763, 13373815]

約数ペア:

[(1, 13373815), (5, 2674763), (7, 1910545), (13, 1028755), (17, 786695), (19, 703885), (35, 382109), (49, 272935), (65, 205751), (85, 157339), (91, 146965), (95, 140777), (119, 112385), (133, 100555), (169, 79135), (221, 60515), (245, 54587), (247, 54145), (323, 41405), (455, 29393), (595, 22477), (637, 20995), (665, 20111), (833, 16055), (845, 15827), (931, 14365), (1105, 12103), (1183, 11305), (1235, 10829), (1547, 8645), (1615, 8281), (1729, 7735), (2261, 5915), (2873, 4655), (3185, 4199), (3211, 4165)]