1231875

素因数分解:

$3^3\times 5^4\times {\mathrm{73}}^1$

素因数の和:102

約数の個数: 40

約数和(自身を含む): 2311760

約数和(自身を除く): 1079885

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 125, 135, 219, 225, 365, 375, 625, 657, 675, 1095, 1125, 1825, 1875, 1971, 3285, 3375, 5475, 5625, 9125, 9855, 16425, 16875, 27375, 45625, 49275, 82125, 136875, 246375, 410625, 1231875]

約数ペア:

[(1, 1231875), (3, 410625), (5, 246375), (9, 136875), (15, 82125), (25, 49275), (27, 45625), (45, 27375), (73, 16875), (75, 16425), (125, 9855), (135, 9125), (219, 5625), (225, 5475), (365, 3375), (375, 3285), (625, 1971), (657, 1875), (675, 1825), (1095, 1125)]