668889225

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:928

約数の個数: 96

約数和(自身を含む): 1320986880

約数和(自身を除く): 652097655

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 71, 75, 85, 135, 153, 213, 225, 255, 355, 425, 459, 639, 675, 765, 821, 1065, 1207, 1275, 1775, 1917, 2295, 2463, 3195, 3621, 3825, 4105, 5325, 6035, 7389, 9585, 10863, 11475, 12315, 13957, 15975, 18105, 20525, 22167, 30175, 32589, 36945, 41871, 47925, 54315, 58291, 61575, 69785, 90525, 110835, 125613, 162945, 174873, 184725, 209355, 271575, 291455, 348925, 376839, 524619, 554175, 628065, 814725, 874365, 990947, 1046775, 1457275, 1573857, 1884195, 2623095, 2972841, 3140325, 4371825, 4954735, 7869285, 8918523, 9420975, 13115475, 14864205, 24773675, 26755569, 39346425, 44592615, 74321025, 133777845, 222963075, 668889225]

約数ペア:

[(1, 668889225), (3, 222963075), (5, 133777845), (9, 74321025), (15, 44592615), (17, 39346425), (25, 26755569), (27, 24773675), (45, 14864205), (51, 13115475), (71, 9420975), (75, 8918523), (85, 7869285), (135, 4954735), (153, 4371825), (213, 3140325), (225, 2972841), (255, 2623095), (355, 1884195), (425, 1573857), (459, 1457275), (639, 1046775), (675, 990947), (765, 874365), (821, 814725), (1065, 628065), (1207, 554175), (1275, 524619), (1775, 376839), (1917, 348925), (2295, 291455), (2463, 271575), (3195, 209355), (3621, 184725), (3825, 174873), (4105, 162945), (5325, 125613), (6035, 110835), (7389, 90525), (9585, 69785), (10863, 61575), (11475, 58291), (12315, 54315), (13957, 47925), (15975, 41871), (18105, 36945), (20525, 32589), (22167, 30175)]