989805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 1751040

約数和(自身を除く): 761235

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 151, 285, 345, 437, 453, 755, 1311, 2185, 2265, 2869, 3473, 6555, 8607, 10419, 14345, 17365, 43035, 52095, 65987, 197961, 329935, 989805]

約数ペア:

[(1, 989805), (3, 329935), (5, 197961), (15, 65987), (19, 52095), (23, 43035), (57, 17365), (69, 14345), (95, 10419), (115, 8607), (151, 6555), (285, 3473), (345, 2869), (437, 2265), (453, 2185), (755, 1311)]