388293741

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 638269632

約数和(自身を除く): 249975891

約数列:

[1, 3, 9, 11, 33, 43, 53, 99, 129, 159, 387, 473, 477, 583, 1419, 1721, 1749, 2279, 4257, 5163, 5247, 6837, 15489, 18931, 20511, 25069, 56793, 74003, 75207, 91213, 170379, 222009, 225621, 273639, 666027, 814033, 820917, 1003343, 2442099, 3010029, 3922159, 7326297, 9030087, 11766477, 35299431, 43143749, 129431247, 388293741]

約数ペア:

[(1, 388293741), (3, 129431247), (9, 43143749), (11, 35299431), (33, 11766477), (43, 9030087), (53, 7326297), (99, 3922159), (129, 3010029), (159, 2442099), (387, 1003343), (473, 820917), (477, 814033), (583, 666027), (1419, 273639), (1721, 225621), (1749, 222009), (2279, 170379), (4257, 91213), (5163, 75207), (5247, 74003), (6837, 56793), (15489, 25069), (18931, 20511)]