66638475

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 126896640

約数和(自身を除く): 60258165

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 79, 115, 163, 207, 225, 237, 345, 395, 489, 575, 711, 815, 1035, 1185, 1467, 1725, 1817, 1975, 2445, 3555, 3749, 4075, 5175, 5451, 5925, 7335, 9085, 11247, 12225, 12877, 16353, 17775, 18745, 27255, 33741, 36675, 38631, 45425, 56235, 64385, 81765, 93725, 115893, 136275, 168705, 193155, 281175, 296171, 321925, 408825, 579465, 843525, 888513, 965775, 1480855, 2665539, 2897325, 4442565, 7404275, 13327695, 22212825, 66638475]

約数ペア:

[(1, 66638475), (3, 22212825), (5, 13327695), (9, 7404275), (15, 4442565), (23, 2897325), (25, 2665539), (45, 1480855), (69, 965775), (75, 888513), (79, 843525), (115, 579465), (163, 408825), (207, 321925), (225, 296171), (237, 281175), (345, 193155), (395, 168705), (489, 136275), (575, 115893), (711, 93725), (815, 81765), (1035, 64385), (1185, 56235), (1467, 45425), (1725, 38631), (1817, 36675), (1975, 33741), (2445, 27255), (3555, 18745), (3749, 17775), (4075, 16353), (5175, 12877), (5451, 12225), (5925, 11247), (7335, 9085)]