73909905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 131619840

約数和(自身を除く): 57709935

約数列:

[1, 3, 5, 15, 19, 37, 43, 57, 95, 111, 129, 163, 185, 215, 285, 489, 555, 645, 703, 815, 817, 1591, 2109, 2445, 2451, 3097, 3515, 4085, 4773, 6031, 7009, 7955, 9291, 10545, 12255, 15485, 18093, 21027, 23865, 30155, 30229, 35045, 46455, 90465, 90687, 105135, 114589, 133171, 151145, 259333, 343767, 399513, 453435, 572945, 665855, 777999, 1296665, 1718835, 1997565, 3889995, 4927327, 14781981, 24636635, 73909905]

約数ペア:

[(1, 73909905), (3, 24636635), (5, 14781981), (15, 4927327), (19, 3889995), (37, 1997565), (43, 1718835), (57, 1296665), (95, 777999), (111, 665855), (129, 572945), (163, 453435), (185, 399513), (215, 343767), (285, 259333), (489, 151145), (555, 133171), (645, 114589), (703, 105135), (815, 90687), (817, 90465), (1591, 46455), (2109, 35045), (2445, 30229), (2451, 30155), (3097, 23865), (3515, 21027), (4085, 18093), (4773, 15485), (6031, 12255), (7009, 10545), (7955, 9291)]