7740872775

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{1709}}^1$

素因数の和:2257

約数の個数: 72

約数和(自身を含む): 14240182320

約数和(自身を除く): 6499309545

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 491, 615, 1025, 1473, 1709, 1845, 2455, 3075, 4419, 5127, 7365, 8545, 9225, 12275, 15381, 20131, 22095, 25635, 36825, 42725, 60393, 70069, 76905, 100655, 110475, 128175, 181179, 210207, 301965, 350345, 384525, 503275, 630621, 839119, 905895, 1051035, 1509825, 1751725, 2517357, 3153105, 4195595, 4529475, 5255175, 7552071, 12586785, 15765525, 20977975, 34403879, 37760355, 62933925, 103211637, 172019395, 188801775, 309634911, 516058185, 860096975, 1548174555, 2580290925, 7740872775]

約数ペア:

[(1, 7740872775), (3, 2580290925), (5, 1548174555), (9, 860096975), (15, 516058185), (25, 309634911), (41, 188801775), (45, 172019395), (75, 103211637), (123, 62933925), (205, 37760355), (225, 34403879), (369, 20977975), (491, 15765525), (615, 12586785), (1025, 7552071), (1473, 5255175), (1709, 4529475), (1845, 4195595), (2455, 3153105), (3075, 2517357), (4419, 1751725), (5127, 1509825), (7365, 1051035), (8545, 905895), (9225, 839119), (12275, 630621), (15381, 503275), (20131, 384525), (22095, 350345), (25635, 301965), (36825, 210207), (42725, 181179), (60393, 128175), (70069, 110475), (76905, 100655)]