285909507

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 482993280

約数和(自身を除く): 197083773

約数列:

[1, 3, 9, 13, 27, 39, 47, 53, 81, 109, 117, 141, 159, 327, 351, 423, 477, 611, 689, 981, 1053, 1269, 1417, 1431, 1833, 2067, 2491, 2943, 3807, 4251, 4293, 5123, 5499, 5777, 6201, 7473, 8829, 12753, 15369, 16497, 17331, 18603, 22419, 32383, 38259, 46107, 49491, 51993, 55809, 66599, 67257, 75101, 97149, 114777, 138321, 155979, 199797, 201771, 225303, 271519, 291447, 414963, 467937, 599391, 675909, 814557, 874341, 1798173, 2027727, 2443671, 2623023, 3529747, 5394519, 6083181, 7331013, 10589241, 21993039, 31767723, 95303169, 285909507]

約数ペア:

[(1, 285909507), (3, 95303169), (9, 31767723), (13, 21993039), (27, 10589241), (39, 7331013), (47, 6083181), (53, 5394519), (81, 3529747), (109, 2623023), (117, 2443671), (141, 2027727), (159, 1798173), (327, 874341), (351, 814557), (423, 675909), (477, 599391), (611, 467937), (689, 414963), (981, 291447), (1053, 271519), (1269, 225303), (1417, 201771), (1431, 199797), (1833, 155979), (2067, 138321), (2491, 114777), (2943, 97149), (3807, 75101), (4251, 67257), (4293, 66599), (5123, 55809), (5499, 51993), (5777, 49491), (6201, 46107), (7473, 38259), (8829, 32383), (12753, 22419), (15369, 18603), (16497, 17331)]