78125445

素因数分解:

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

素因数の和:307

約数の個数: 64

約数和(自身を含む): 144633600

約数和(自身を除く): 66508155

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 61, 135, 159, 179, 183, 265, 305, 477, 537, 549, 795, 895, 915, 1431, 1611, 1647, 2385, 2685, 2745, 3233, 4833, 7155, 8055, 8235, 9487, 9699, 10919, 16165, 24165, 28461, 29097, 32757, 47435, 48495, 54595, 85383, 87291, 98271, 142305, 145485, 163785, 256149, 294813, 426915, 436455, 491355, 578707, 1280745, 1474065, 1736121, 2893535, 5208363, 8680605, 15625089, 26041815, 78125445]

約数ペア:

[(1, 78125445), (3, 26041815), (5, 15625089), (9, 8680605), (15, 5208363), (27, 2893535), (45, 1736121), (53, 1474065), (61, 1280745), (135, 578707), (159, 491355), (179, 436455), (183, 426915), (265, 294813), (305, 256149), (477, 163785), (537, 145485), (549, 142305), (795, 98271), (895, 87291), (915, 85383), (1431, 54595), (1611, 48495), (1647, 47435), (2385, 32757), (2685, 29097), (2745, 28461), (3233, 24165), (4833, 16165), (7155, 10919), (8055, 9699), (8235, 9487)]