31016979

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5659}}^1$

素因数の和:5704

約数の個数: 32

約数和(自身を含む): 54336000

約数和(自身を除く): 23319021

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 5659, 16977, 39613, 50931, 118839, 152793, 164111, 356517, 492333, 1069551, 1148777, 1476999, 3446331, 4430997, 10338993, 31016979]

約数ペア:

[(1, 31016979), (3, 10338993), (7, 4430997), (9, 3446331), (21, 1476999), (27, 1148777), (29, 1069551), (63, 492333), (87, 356517), (189, 164111), (203, 152793), (261, 118839), (609, 50931), (783, 39613), (1827, 16977), (5481, 5659)]