381991617

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{491}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 646558848

約数和(自身を除く): 264567231

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 233, 371, 477, 491, 699, 1113, 1473, 1631, 2097, 3339, 3437, 4419, 4893, 10311, 12349, 14679, 26023, 30933, 37047, 78069, 86443, 111141, 114403, 182161, 234207, 259329, 343209, 546483, 777987, 800821, 1029627, 1639449, 2402463, 6063359, 7207389, 18190077, 42443513, 54570231, 127330539, 381991617]

約数ペア:

[(1, 381991617), (3, 127330539), (7, 54570231), (9, 42443513), (21, 18190077), (53, 7207389), (63, 6063359), (159, 2402463), (233, 1639449), (371, 1029627), (477, 800821), (491, 777987), (699, 546483), (1113, 343209), (1473, 259329), (1631, 234207), (2097, 182161), (3339, 114403), (3437, 111141), (4419, 86443), (4893, 78069), (10311, 37047), (12349, 30933), (14679, 26023)]