291225294

素因数分解:

$2^1\times 3^7\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 661248000

約数和(自身を除く): 370022706

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 243, 278, 417, 479, 486, 729, 834, 958, 1251, 1437, 1458, 2187, 2502, 2874, 3753, 4311, 4374, 7506, 8622, 11259, 12933, 22518, 25866, 33777, 38799, 66581, 67554, 77598, 101331, 116397, 133162, 199743, 202662, 232794, 303993, 349191, 399486, 599229, 607986, 698382, 1047573, 1198458, 1797687, 2095146, 3595374, 5393061, 10786122, 16179183, 32358366, 48537549, 97075098, 145612647, 291225294]

約数ペア:

[(1, 291225294), (2, 145612647), (3, 97075098), (6, 48537549), (9, 32358366), (18, 16179183), (27, 10786122), (54, 5393061), (81, 3595374), (139, 2095146), (162, 1797687), (243, 1198458), (278, 1047573), (417, 698382), (479, 607986), (486, 599229), (729, 399486), (834, 349191), (958, 303993), (1251, 232794), (1437, 202662), (1458, 199743), (2187, 133162), (2502, 116397), (2874, 101331), (3753, 77598), (4311, 67554), (4374, 66581), (7506, 38799), (8622, 33777), (11259, 25866), (12933, 22518)]