18052875

素因数分解:

$3^4\times 5^3\times {\mathrm{1783}}^1$

素因数の和:1810

約数の個数: 40

約数和(自身を含む): 33674784

約数和(自身を除く): 15621909

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 1783, 2025, 3375, 5349, 8915, 10125, 16047, 26745, 44575, 48141, 80235, 133725, 144423, 222875, 240705, 401175, 668625, 722115, 1203525, 2005875, 3610575, 6017625, 18052875]

約数ペア:

[(1, 18052875), (3, 6017625), (5, 3610575), (9, 2005875), (15, 1203525), (25, 722115), (27, 668625), (45, 401175), (75, 240705), (81, 222875), (125, 144423), (135, 133725), (225, 80235), (375, 48141), (405, 44575), (675, 26745), (1125, 16047), (1783, 10125), (2025, 8915), (3375, 5349)]