690001749507

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{335857}}^1$

素因数の和:336176

約数の個数: 48

約数和(自身を含む): 1113780360192

約数和(自身を除く): 423778610685

約数列:

[1, 3, 7, 19, 21, 57, 133, 271, 361, 399, 813, 1083, 1897, 2527, 5149, 5691, 7581, 15447, 36043, 97831, 108129, 293493, 335857, 684817, 1007571, 2054451, 2350999, 6381283, 7052997, 19143849, 44668981, 91017247, 121244377, 134006943, 273051741, 363733131, 637120729, 848710639, 1729327693, 1911362187, 2546131917, 5187983079, 12105293851, 32857226167, 36315881553, 98571678501, 230000583169, 690001749507]

約数ペア:

[(1, 690001749507), (3, 230000583169), (7, 98571678501), (19, 36315881553), (21, 32857226167), (57, 12105293851), (133, 5187983079), (271, 2546131917), (361, 1911362187), (399, 1729327693), (813, 848710639), (1083, 637120729), (1897, 363733131), (2527, 273051741), (5149, 134006943), (5691, 121244377), (7581, 91017247), (15447, 44668981), (36043, 19143849), (97831, 7052997), (108129, 6381283), (293493, 2350999), (335857, 2054451), (684817, 1007571)]