51981855

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 86001600

約数和(自身を除く): 34019745

約数列:

[1, 3, 5, 15, 37, 111, 185, 229, 409, 555, 687, 1145, 1227, 2045, 3435, 6135, 8473, 15133, 25419, 42365, 45399, 75665, 93661, 127095, 226995, 280983, 468305, 1404915, 3465457, 10396371, 17327285, 51981855]

約数ペア:

[(1, 51981855), (3, 17327285), (5, 10396371), (15, 3465457), (37, 1404915), (111, 468305), (185, 280983), (229, 226995), (409, 127095), (555, 93661), (687, 75665), (1145, 45399), (1227, 42365), (2045, 25419), (3435, 15133), (6135, 8473)]