68744145

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 112752000

約数和(自身を除く): 44007855

約数列:

[1, 3, 5, 15, 59, 173, 177, 295, 449, 519, 865, 885, 1347, 2245, 2595, 6735, 10207, 26491, 30621, 51035, 77677, 79473, 132455, 153105, 233031, 388385, 397365, 1165155, 4582943, 13748829, 22914715, 68744145]

約数ペア:

[(1, 68744145), (3, 22914715), (5, 13748829), (15, 4582943), (59, 1165155), (173, 397365), (177, 388385), (295, 233031), (449, 153105), (519, 132455), (865, 79473), (885, 77677), (1347, 51035), (2245, 30621), (2595, 26491), (6735, 10207)]