55478619

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 94648320

約数和(自身を除く): 39169701

約数列:

[1, 3, 7, 9, 21, 63, 71, 79, 157, 213, 237, 471, 497, 553, 639, 711, 1099, 1413, 1491, 1659, 3297, 4473, 4977, 5609, 9891, 11147, 12403, 16827, 33441, 37209, 39263, 50481, 78029, 86821, 100323, 111627, 117789, 234087, 260463, 353367, 702261, 781389, 880613, 2641839, 6164291, 7925517, 18492873, 55478619]

約数ペア:

[(1, 55478619), (3, 18492873), (7, 7925517), (9, 6164291), (21, 2641839), (63, 880613), (71, 781389), (79, 702261), (157, 353367), (213, 260463), (237, 234087), (471, 117789), (497, 111627), (553, 100323), (639, 86821), (711, 78029), (1099, 50481), (1413, 39263), (1491, 37209), (1659, 33441), (3297, 16827), (4473, 12403), (4977, 11147), (5609, 9891)]