172209507

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 251361792

約数和(自身を除く): 79152285

約数列:

[1, 3, 17, 37, 51, 111, 263, 347, 629, 789, 1041, 1887, 4471, 5899, 9731, 12839, 13413, 17697, 29193, 38517, 91261, 165427, 218263, 273783, 496281, 654789, 1551437, 3376657, 4654311, 10129971, 57403169, 172209507]

約数ペア:

[(1, 172209507), (3, 57403169), (17, 10129971), (37, 4654311), (51, 3376657), (111, 1551437), (263, 654789), (347, 496281), (629, 273783), (789, 218263), (1041, 165427), (1887, 91261), (4471, 38517), (5899, 29193), (9731, 17697), (12839, 13413)]