200321721

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{239333}}^1$

素因数の和:239373

約数の個数: 16

約数和(自身を含む): 306347520

約数和(自身を除く): 106025799

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 239333, 717999, 2153997, 6461991, 7419323, 22257969, 66773907, 200321721]

約数ペア:

[(1, 200321721), (3, 66773907), (9, 22257969), (27, 7419323), (31, 6461991), (93, 2153997), (279, 717999), (837, 239333)]