172977531

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 243855360

約数和(自身を除く): 70877829

約数列:

[1, 3, 47, 53, 79, 141, 159, 237, 293, 879, 2491, 3713, 4187, 7473, 11139, 12561, 13771, 15529, 23147, 41313, 46587, 69441, 196789, 590367, 729863, 1087909, 1226791, 2189589, 3263727, 3680373, 57659177, 172977531]

約数ペア:

[(1, 172977531), (3, 57659177), (47, 3680373), (53, 3263727), (79, 2189589), (141, 1226791), (159, 1087909), (237, 729863), (293, 590367), (879, 196789), (2491, 69441), (3713, 46587), (4187, 41313), (7473, 23147), (11139, 15529), (12561, 13771)]