613617921

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 1031546880

約数和(自身を除く): 417928959

約数列:

[1, 3, 7, 9, 21, 63, 83, 239, 249, 491, 581, 717, 747, 1473, 1673, 1743, 2151, 3437, 4419, 5019, 5229, 10311, 15057, 19837, 30933, 40753, 59511, 117349, 122259, 138859, 178533, 285271, 352047, 366777, 416577, 821443, 855813, 1056141, 1249731, 2464329, 2567439, 7392987, 9739967, 29219901, 68179769, 87659703, 204539307, 613617921]

約数ペア:

[(1, 613617921), (3, 204539307), (7, 87659703), (9, 68179769), (21, 29219901), (63, 9739967), (83, 7392987), (239, 2567439), (249, 2464329), (491, 1249731), (581, 1056141), (717, 855813), (747, 821443), (1473, 416577), (1673, 366777), (1743, 352047), (2151, 285271), (3437, 178533), (4419, 138859), (5019, 122259), (5229, 117349), (10311, 59511), (15057, 40753), (19837, 30933)]