287201925

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 532965888

約数和(自身を除く): 245763963

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 163, 191, 205, 225, 369, 489, 573, 615, 815, 955, 1025, 1467, 1719, 1845, 2445, 2865, 3075, 4075, 4775, 6683, 7335, 7831, 8595, 9225, 12225, 14325, 20049, 23493, 31133, 33415, 36675, 39155, 42975, 60147, 70479, 93399, 100245, 117465, 155665, 167075, 195775, 280197, 300735, 352395, 466995, 501225, 587325, 778325, 1276453, 1400985, 1503675, 1761975, 2334975, 3829359, 6382265, 7004925, 11488077, 19146795, 31911325, 57440385, 95733975, 287201925]

約数ペア:

[(1, 287201925), (3, 95733975), (5, 57440385), (9, 31911325), (15, 19146795), (25, 11488077), (41, 7004925), (45, 6382265), (75, 3829359), (123, 2334975), (163, 1761975), (191, 1503675), (205, 1400985), (225, 1276453), (369, 778325), (489, 587325), (573, 501225), (615, 466995), (815, 352395), (955, 300735), (1025, 280197), (1467, 195775), (1719, 167075), (1845, 155665), (2445, 117465), (2865, 100245), (3075, 93399), (4075, 70479), (4775, 60147), (6683, 42975), (7335, 39155), (7831, 36675), (8595, 33415), (9225, 31133), (12225, 23493), (14325, 20049)]