83311425

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 156041600

約数和(自身を除く): 72730175

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 79, 109, 129, 215, 225, 237, 327, 387, 395, 545, 645, 711, 981, 1075, 1185, 1635, 1935, 1975, 2725, 3225, 3397, 3555, 4687, 4905, 5925, 8175, 8611, 9675, 10191, 14061, 16985, 17775, 23435, 24525, 25833, 30573, 42183, 43055, 50955, 70305, 77499, 84925, 117175, 129165, 152865, 210915, 215275, 254775, 351525, 370273, 387495, 645825, 764325, 1054575, 1110819, 1851365, 1937475, 3332457, 5554095, 9256825, 16662285, 27770475, 83311425]

約数ペア:

[(1, 83311425), (3, 27770475), (5, 16662285), (9, 9256825), (15, 5554095), (25, 3332457), (43, 1937475), (45, 1851365), (75, 1110819), (79, 1054575), (109, 764325), (129, 645825), (215, 387495), (225, 370273), (237, 351525), (327, 254775), (387, 215275), (395, 210915), (545, 152865), (645, 129165), (711, 117175), (981, 84925), (1075, 77499), (1185, 70305), (1635, 50955), (1935, 43055), (1975, 42183), (2725, 30573), (3225, 25833), (3397, 24525), (3555, 23435), (4687, 17775), (4905, 16985), (5925, 14061), (8175, 10191), (8611, 9675)]