31483809

素因数分解:

$3^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 54792192

約数和(自身を除く): 23308383

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 223, 243, 249, 567, 581, 669, 747, 1561, 1701, 1743, 2007, 2241, 4683, 5229, 6021, 6723, 14049, 15687, 18063, 18509, 20169, 42147, 47061, 54189, 55527, 126441, 129563, 141183, 166581, 379323, 388689, 499743, 1166067, 1499229, 3498201, 4497687, 10494603, 31483809]

約数ペア:

[(1, 31483809), (3, 10494603), (7, 4497687), (9, 3498201), (21, 1499229), (27, 1166067), (63, 499743), (81, 388689), (83, 379323), (189, 166581), (223, 141183), (243, 129563), (249, 126441), (567, 55527), (581, 54189), (669, 47061), (747, 42147), (1561, 20169), (1701, 18509), (1743, 18063), (2007, 15687), (2241, 14049), (4683, 6723), (5229, 6021)]