65465325

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 123801600

約数和(自身を除く): 58336275

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 79, 87, 127, 145, 225, 237, 261, 381, 395, 435, 635, 711, 725, 1143, 1185, 1305, 1905, 1975, 2175, 2291, 3175, 3555, 3683, 5715, 5925, 6525, 6873, 9525, 10033, 11049, 11455, 17775, 18415, 20619, 28575, 30099, 33147, 34365, 50165, 55245, 57275, 90297, 92075, 103095, 150495, 165735, 171825, 250825, 276225, 290957, 451485, 515475, 752475, 828675, 872871, 1454785, 2257425, 2618613, 4364355, 7273925, 13093065, 21821775, 65465325]

約数ペア:

[(1, 65465325), (3, 21821775), (5, 13093065), (9, 7273925), (15, 4364355), (25, 2618613), (29, 2257425), (45, 1454785), (75, 872871), (79, 828675), (87, 752475), (127, 515475), (145, 451485), (225, 290957), (237, 276225), (261, 250825), (381, 171825), (395, 165735), (435, 150495), (635, 103095), (711, 92075), (725, 90297), (1143, 57275), (1185, 55245), (1305, 50165), (1905, 34365), (1975, 33147), (2175, 30099), (2291, 28575), (3175, 20619), (3555, 18415), (3683, 17775), (5715, 11455), (5925, 11049), (6525, 10033), (6873, 9525)]