66147975

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 126755280

約数和(自身を除く): 60607305

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 53, 75, 129, 135, 159, 215, 225, 265, 387, 477, 645, 675, 795, 1075, 1161, 1325, 1431, 1849, 1935, 2279, 2385, 3225, 3975, 5547, 5805, 6837, 7155, 9245, 9675, 11395, 11925, 16641, 20511, 27735, 29025, 34185, 35775, 46225, 49923, 56975, 61533, 83205, 97997, 102555, 138675, 170925, 249615, 293991, 307665, 416025, 489985, 512775, 881973, 1248075, 1469955, 1538325, 2449925, 2645919, 4409865, 7349775, 13229595, 22049325, 66147975]

約数ペア:

[(1, 66147975), (3, 22049325), (5, 13229595), (9, 7349775), (15, 4409865), (25, 2645919), (27, 2449925), (43, 1538325), (45, 1469955), (53, 1248075), (75, 881973), (129, 512775), (135, 489985), (159, 416025), (215, 307665), (225, 293991), (265, 249615), (387, 170925), (477, 138675), (645, 102555), (675, 97997), (795, 83205), (1075, 61533), (1161, 56975), (1325, 49923), (1431, 46225), (1849, 35775), (1935, 34185), (2279, 29025), (2385, 27735), (3225, 20511), (3975, 16641), (5547, 11925), (5805, 11395), (6837, 9675), (7155, 9245)]