253485771

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2657}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 436337280

約数和(自身を除く): 182851509

約数列:

[1, 3, 7, 11, 21, 33, 49, 59, 77, 147, 177, 231, 413, 539, 649, 1239, 1617, 1947, 2657, 2891, 4543, 7971, 8673, 13629, 18599, 29227, 31801, 55797, 87681, 95403, 130193, 156763, 204589, 390579, 470289, 613767, 1097341, 1432123, 1724393, 3292023, 4296369, 5173179, 7681387, 12070751, 23044161, 36212253, 84495257, 253485771]

約数ペア:

[(1, 253485771), (3, 84495257), (7, 36212253), (11, 23044161), (21, 12070751), (33, 7681387), (49, 5173179), (59, 4296369), (77, 3292023), (147, 1724393), (177, 1432123), (231, 1097341), (413, 613767), (539, 470289), (649, 390579), (1239, 204589), (1617, 156763), (1947, 130193), (2657, 95403), (2891, 87681), (4543, 55797), (7971, 31801), (8673, 29227), (13629, 18599)]