245106981

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 421694208

約数和(自身を除く): 176587227

約数列:

[1, 3, 7, 9, 21, 37, 63, 71, 111, 213, 259, 333, 497, 639, 777, 1481, 1491, 2331, 2627, 4443, 4473, 7881, 10367, 13329, 18389, 23643, 31101, 54797, 55167, 93303, 105151, 164391, 165501, 315453, 383579, 493173, 736057, 946359, 1150737, 2208171, 3452211, 3890587, 6624513, 11671761, 27234109, 35015283, 81702327, 245106981]

約数ペア:

[(1, 245106981), (3, 81702327), (7, 35015283), (9, 27234109), (21, 11671761), (37, 6624513), (63, 3890587), (71, 3452211), (111, 2208171), (213, 1150737), (259, 946359), (333, 736057), (497, 493173), (639, 383579), (777, 315453), (1481, 165501), (1491, 164391), (2331, 105151), (2627, 93303), (4443, 55167), (4473, 54797), (7881, 31101), (10367, 23643), (13329, 18389)]