165796875

素因数分解:

$3^4\times 5^6\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 70

約数和(自身を含む): 311949132

約数和(自身を除く): 146152257

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 131, 135, 225, 375, 393, 405, 625, 655, 675, 1125, 1179, 1875, 1965, 2025, 3125, 3275, 3375, 3537, 5625, 5895, 9375, 9825, 10125, 10611, 15625, 16375, 16875, 17685, 28125, 29475, 46875, 49125, 50625, 53055, 81875, 84375, 88425, 140625, 147375, 245625, 253125, 265275, 409375, 421875, 442125, 736875, 1228125, 1265625, 1326375, 2046875, 2210625, 3684375, 6140625, 6631875, 11053125, 18421875, 33159375, 55265625, 165796875]

約数ペア:

[(1, 165796875), (3, 55265625), (5, 33159375), (9, 18421875), (15, 11053125), (25, 6631875), (27, 6140625), (45, 3684375), (75, 2210625), (81, 2046875), (125, 1326375), (131, 1265625), (135, 1228125), (225, 736875), (375, 442125), (393, 421875), (405, 409375), (625, 265275), (655, 253125), (675, 245625), (1125, 147375), (1179, 140625), (1875, 88425), (1965, 84375), (2025, 81875), (3125, 53055), (3275, 50625), (3375, 49125), (3537, 46875), (5625, 29475), (5895, 28125), (9375, 17685), (9825, 16875), (10125, 16375), (10611, 15625)]