27800775

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{787}}^1$

素因数の和:960

約数の個数: 36

約数和(自身を含む): 50175112

約数和(自身を除く): 22374337

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 225, 471, 785, 787, 1413, 2355, 2361, 3925, 3935, 7065, 7083, 11775, 11805, 19675, 35325, 35415, 59025, 123559, 177075, 370677, 617795, 1112031, 1853385, 3088975, 5560155, 9266925, 27800775]

約数ペア:

[(1, 27800775), (3, 9266925), (5, 5560155), (9, 3088975), (15, 1853385), (25, 1112031), (45, 617795), (75, 370677), (157, 177075), (225, 123559), (471, 59025), (785, 35415), (787, 35325), (1413, 19675), (2355, 11805), (2361, 11775), (3925, 7083), (3935, 7065)]