2883855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 5193216

約数和(自身を除く): 2309361

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 643, 897, 1495, 1929, 3215, 4485, 8359, 9645, 14789, 25077, 41795, 44367, 73945, 125385, 192257, 221835, 576771, 961285, 2883855]

約数ペア:

[(1, 2883855), (3, 961285), (5, 576771), (13, 221835), (15, 192257), (23, 125385), (39, 73945), (65, 44367), (69, 41795), (115, 25077), (195, 14789), (299, 9645), (345, 8359), (643, 4485), (897, 3215), (1495, 1929)]