31161141

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 20625867

約数列:

[1, 3, 9, 11, 33, 37, 47, 99, 111, 141, 181, 333, 407, 423, 517, 543, 1221, 1551, 1629, 1739, 1991, 3663, 4653, 5217, 5973, 6697, 8507, 15651, 17919, 19129, 20091, 25521, 57387, 60273, 73667, 76563, 93577, 172161, 221001, 280731, 314759, 663003, 842193, 944277, 2832831, 3462349, 10387047, 31161141]

約数ペア:

[(1, 31161141), (3, 10387047), (9, 3462349), (11, 2832831), (33, 944277), (37, 842193), (47, 663003), (99, 314759), (111, 280731), (141, 221001), (181, 172161), (333, 93577), (407, 76563), (423, 73667), (517, 60273), (543, 57387), (1221, 25521), (1551, 20091), (1629, 19129), (1739, 17919), (1991, 15651), (3663, 8507), (4653, 6697), (5217, 5973)]