303465981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 517644288

約数和(自身を除く): 214178307

約数列:

[1, 3, 7, 13, 21, 39, 47, 67, 91, 141, 201, 273, 329, 353, 469, 611, 871, 987, 1059, 1407, 1833, 2471, 2613, 3149, 4277, 4589, 6097, 7413, 9447, 12831, 13767, 16591, 18291, 22043, 23651, 32123, 40937, 49773, 66129, 70953, 96369, 116137, 122811, 165557, 215683, 286559, 307463, 348411, 496671, 647049, 859677, 922389, 1111597, 1509781, 2152241, 3334791, 4529343, 6456723, 7781179, 14450761, 23343537, 43352283, 101155327, 303465981]

約数ペア:

[(1, 303465981), (3, 101155327), (7, 43352283), (13, 23343537), (21, 14450761), (39, 7781179), (47, 6456723), (67, 4529343), (91, 3334791), (141, 2152241), (201, 1509781), (273, 1111597), (329, 922389), (353, 859677), (469, 647049), (611, 496671), (871, 348411), (987, 307463), (1059, 286559), (1407, 215683), (1833, 165557), (2471, 122811), (2613, 116137), (3149, 96369), (4277, 70953), (4589, 66129), (6097, 49773), (7413, 40937), (9447, 32123), (12831, 23651), (13767, 22043), (16591, 18291)]