31310751

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 45568512

約数和(自身を除く): 14257761

約数列:

[1, 3, 23, 43, 61, 69, 129, 173, 183, 519, 989, 1403, 2623, 2967, 3979, 4209, 7439, 7869, 10553, 11937, 22317, 31659, 60329, 171097, 180987, 242719, 453779, 513291, 728157, 1361337, 10436917, 31310751]

約数ペア:

[(1, 31310751), (3, 10436917), (23, 1361337), (43, 728157), (61, 513291), (69, 453779), (129, 242719), (173, 180987), (183, 171097), (519, 60329), (989, 31659), (1403, 22317), (2623, 11937), (2967, 10553), (3979, 7869), (4209, 7439)]