290775981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 419328000

約数和(自身を除く): 128552019

約数列:

[1, 3, 19, 47, 57, 141, 311, 349, 893, 933, 1047, 2679, 5909, 6631, 14617, 16403, 17727, 19893, 43851, 49209, 108539, 277723, 311657, 325617, 833169, 934971, 2062241, 5101333, 6186723, 15303999, 96925327, 290775981]

約数ペア:

[(1, 290775981), (3, 96925327), (19, 15303999), (47, 6186723), (57, 5101333), (141, 2062241), (311, 934971), (349, 833169), (893, 325617), (933, 311657), (1047, 277723), (2679, 108539), (5909, 49209), (6631, 43851), (14617, 19893), (16403, 17727)]