71666451

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{28541}}^1$

素因数の和:28584

約数の個数: 20

約数和(自身を含む): 110514624

約数和(自身を除く): 38848173

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 28541, 85623, 256869, 770607, 884771, 2311821, 2654313, 7962939, 23888817, 71666451]

約数ペア:

[(1, 71666451), (3, 23888817), (9, 7962939), (27, 2654313), (31, 2311821), (81, 884771), (93, 770607), (279, 256869), (837, 85623), (2511, 28541)]