31301991

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5711}}^1$

素因数の和:5756

約数の個数: 32

約数和(自身を含む): 54835200

約数和(自身を除く): 23533209

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 5711, 17133, 39977, 51399, 119931, 154197, 165619, 359793, 496857, 1079379, 1159333, 1490571, 3477999, 4471713, 10433997, 31301991]

約数ペア:

[(1, 31301991), (3, 10433997), (7, 4471713), (9, 3477999), (21, 1490571), (27, 1159333), (29, 1079379), (63, 496857), (87, 359793), (189, 165619), (203, 154197), (261, 119931), (609, 51399), (783, 39977), (1827, 17133), (5481, 5711)]