219080673

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8461}}^1$

素因数の和:8614

約数の個数: 32

約数和(自身を含む): 373681920

約数和(自身を除く): 154601247

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2877, 3699, 8461, 8631, 25383, 25893, 59227, 76149, 177681, 228447, 533043, 1159157, 1599129, 3477471, 8114099, 10432413, 24342297, 31297239, 73026891, 219080673]

約数ペア:

[(1, 219080673), (3, 73026891), (7, 31297239), (9, 24342297), (21, 10432413), (27, 8114099), (63, 3477471), (137, 1599129), (189, 1159157), (411, 533043), (959, 228447), (1233, 177681), (2877, 76149), (3699, 59227), (8461, 25893), (8631, 25383)]