255194793

素因数分解:

$3^4\times 7^2\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:708

約数の個数: 60

約数和(自身を含む): 448167060

約数和(自身を除く): 192972267

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 113, 147, 189, 339, 441, 567, 569, 791, 1017, 1323, 1707, 2373, 3051, 3969, 3983, 5121, 5537, 7119, 9153, 11949, 15363, 16611, 21357, 27881, 35847, 46089, 49833, 64071, 64297, 83643, 107541, 149499, 192891, 250929, 322623, 448497, 450079, 578673, 752787, 1350237, 1736019, 2258361, 3150553, 4050711, 5208057, 9451659, 12152133, 28354977, 36456399, 85064931, 255194793]

約数ペア:

[(1, 255194793), (3, 85064931), (7, 36456399), (9, 28354977), (21, 12152133), (27, 9451659), (49, 5208057), (63, 4050711), (81, 3150553), (113, 2258361), (147, 1736019), (189, 1350237), (339, 752787), (441, 578673), (567, 450079), (569, 448497), (791, 322623), (1017, 250929), (1323, 192891), (1707, 149499), (2373, 107541), (3051, 83643), (3969, 64297), (3983, 64071), (5121, 49833), (5537, 46089), (7119, 35847), (9153, 27881), (11949, 21357), (15363, 16611)]