78812475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7901}}^1$

素因数の和:7940

約数の個数: 48

約数和(自身を含む): 156775680

約数和(自身を除く): 77963205

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 7901, 9975, 23703, 39505, 55307, 118515, 150119, 165921, 197525, 276535, 450357, 592575, 750595, 829605, 1050833, 1382675, 2251785, 3152499, 3752975, 4148025, 5254165, 11258925, 15762495, 26270825, 78812475]

約数ペア:

[(1, 78812475), (3, 26270825), (5, 15762495), (7, 11258925), (15, 5254165), (19, 4148025), (21, 3752975), (25, 3152499), (35, 2251785), (57, 1382675), (75, 1050833), (95, 829605), (105, 750595), (133, 592575), (175, 450357), (285, 276535), (399, 197525), (475, 165921), (525, 150119), (665, 118515), (1425, 55307), (1995, 39505), (3325, 23703), (7901, 9975)]