1987515

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 3566160

約数和(自身を除く): 1578645

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 1523, 4569, 7615, 13707, 22845, 44167, 68535, 132501, 220835, 397503, 662505, 1987515]

約数ペア:

[(1, 1987515), (3, 662505), (5, 397503), (9, 220835), (15, 132501), (29, 68535), (45, 44167), (87, 22845), (145, 13707), (261, 7615), (435, 4569), (1305, 1523)]