26041815

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 20964105

約数列:

[1, 3, 5, 9, 15, 45, 53, 61, 159, 179, 183, 265, 305, 477, 537, 549, 795, 895, 915, 1611, 2385, 2685, 2745, 3233, 8055, 9487, 9699, 10919, 16165, 28461, 29097, 32757, 47435, 48495, 54595, 85383, 98271, 142305, 145485, 163785, 426915, 491355, 578707, 1736121, 2893535, 5208363, 8680605, 26041815]

約数ペア:

[(1, 26041815), (3, 8680605), (5, 5208363), (9, 2893535), (15, 1736121), (45, 578707), (53, 491355), (61, 426915), (159, 163785), (179, 145485), (183, 142305), (265, 98271), (305, 85383), (477, 54595), (537, 48495), (549, 47435), (795, 32757), (895, 29097), (915, 28461), (1611, 16165), (2385, 10919), (2685, 9699), (2745, 9487), (3233, 8055)]