487998

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 1240320

約数和(自身を除く): 752322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1291, 2582, 3873, 7746, 9037, 11619, 18074, 23238, 27111, 34857, 54222, 69714, 81333, 162666, 243999, 487998]

約数ペア:

[(1, 487998), (2, 243999), (3, 162666), (6, 81333), (7, 69714), (9, 54222), (14, 34857), (18, 27111), (21, 23238), (27, 18074), (42, 11619), (54, 9037), (63, 7746), (126, 3873), (189, 2582), (378, 1291)]