71885925

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 139276800

約数和(自身を除く): 67390875

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 115, 145, 207, 225, 261, 345, 435, 479, 575, 667, 725, 1035, 1305, 1437, 1725, 2001, 2175, 2395, 3335, 4311, 5175, 6003, 6525, 7185, 10005, 11017, 11975, 13891, 16675, 21555, 30015, 33051, 35925, 41673, 50025, 55085, 69455, 99153, 107775, 125019, 150075, 165255, 208365, 275425, 319493, 347275, 495765, 625095, 826275, 958479, 1041825, 1597465, 2478825, 2875437, 3125475, 4792395, 7987325, 14377185, 23961975, 71885925]

約数ペア:

[(1, 71885925), (3, 23961975), (5, 14377185), (9, 7987325), (15, 4792395), (23, 3125475), (25, 2875437), (29, 2478825), (45, 1597465), (69, 1041825), (75, 958479), (87, 826275), (115, 625095), (145, 495765), (207, 347275), (225, 319493), (261, 275425), (345, 208365), (435, 165255), (479, 150075), (575, 125019), (667, 107775), (725, 99153), (1035, 69455), (1305, 55085), (1437, 50025), (1725, 41673), (2001, 35925), (2175, 33051), (2395, 30015), (3335, 21555), (4311, 16675), (5175, 13891), (6003, 11975), (6525, 11017), (7185, 10005)]