287739225

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{14369}}^1$

素因数の和:14474

約数の個数: 36

約数和(自身を含む): 521199900

約数和(自身を除く): 233460675

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 1335, 2225, 4005, 6675, 14369, 20025, 43107, 71845, 129321, 215535, 359225, 646605, 1077675, 1278841, 3233025, 3836523, 6394205, 11509569, 19182615, 31971025, 57547845, 95913075, 287739225]

約数ペア:

[(1, 287739225), (3, 95913075), (5, 57547845), (9, 31971025), (15, 19182615), (25, 11509569), (45, 6394205), (75, 3836523), (89, 3233025), (225, 1278841), (267, 1077675), (445, 646605), (801, 359225), (1335, 215535), (2225, 129321), (4005, 71845), (6675, 43107), (14369, 20025)]