245354013

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 388177920

約数和(自身を除く): 142823907

約数列:

[1, 3, 9, 17, 51, 53, 79, 153, 159, 237, 383, 477, 711, 901, 1149, 1343, 2703, 3447, 4029, 4187, 6511, 8109, 12087, 12561, 19533, 20299, 30257, 37683, 58599, 60897, 71179, 90771, 182691, 213537, 272313, 345083, 514369, 640611, 1035249, 1543107, 1603621, 3105747, 4629321, 4810863, 14432589, 27261557, 81784671, 245354013]

約数ペア:

[(1, 245354013), (3, 81784671), (9, 27261557), (17, 14432589), (51, 4810863), (53, 4629321), (79, 3105747), (153, 1603621), (159, 1543107), (237, 1035249), (383, 640611), (477, 514369), (711, 345083), (901, 272313), (1149, 213537), (1343, 182691), (2703, 90771), (3447, 71179), (4029, 60897), (4187, 58599), (6511, 37683), (8109, 30257), (12087, 20299), (12561, 19533)]