221108985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{258607}}^1$

素因数の和:258637

約数の個数: 24

約数和(自身を含む): 403428480

約数和(自身を除く): 182319495

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 258607, 775821, 1293035, 2327463, 3879105, 4913533, 11637315, 14740599, 24567665, 44221797, 73702995, 221108985]

約数ペア:

[(1, 221108985), (3, 73702995), (5, 44221797), (9, 24567665), (15, 14740599), (19, 11637315), (45, 4913533), (57, 3879105), (95, 2327463), (171, 1293035), (285, 775821), (855, 258607)]