78558291

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 135742464

約数和(自身を除く): 57184173

約数列:

[1, 3, 7, 9, 21, 43, 47, 63, 129, 141, 301, 329, 387, 423, 617, 903, 987, 1851, 2021, 2709, 2961, 4319, 5553, 6063, 12957, 14147, 18189, 26531, 28999, 38871, 42441, 79593, 86997, 127323, 185717, 202993, 238779, 260991, 557151, 608979, 1246957, 1671453, 1826937, 3740871, 8728699, 11222613, 26186097, 78558291]

約数ペア:

[(1, 78558291), (3, 26186097), (7, 11222613), (9, 8728699), (21, 3740871), (43, 1826937), (47, 1671453), (63, 1246957), (129, 608979), (141, 557151), (301, 260991), (329, 238779), (387, 202993), (423, 185717), (617, 127323), (903, 86997), (987, 79593), (1851, 42441), (2021, 38871), (2709, 28999), (2961, 26531), (4319, 18189), (5553, 14147), (6063, 12957)]