1857707829

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 2829385728

約数和(自身を除く): 971677899

約数列:

[1, 3, 9, 31, 71, 93, 191, 213, 279, 491, 573, 639, 1473, 1719, 2201, 4419, 5921, 6603, 13561, 15221, 17763, 19809, 34861, 40683, 45663, 53289, 93781, 104583, 122049, 136989, 281343, 313749, 420391, 844029, 1080691, 1261173, 2907211, 3242073, 3783519, 6658451, 8721633, 9726219, 19975353, 26164899, 59926059, 206411981, 619235943, 1857707829]

約数ペア:

[(1, 1857707829), (3, 619235943), (9, 206411981), (31, 59926059), (71, 26164899), (93, 19975353), (191, 9726219), (213, 8721633), (279, 6658451), (491, 3783519), (573, 3242073), (639, 2907211), (1473, 1261173), (1719, 1080691), (2201, 844029), (4419, 420391), (5921, 313749), (6603, 281343), (13561, 136989), (15221, 122049), (17763, 104583), (19809, 93781), (34861, 53289), (40683, 45663)]