261748395

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{84299}}^1$

素因数の和:84336

約数の個数: 32

約数和(自身を含む): 485568000

約数和(自身を除く): 223819605

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 84299, 252897, 421495, 758691, 1264485, 1938877, 2276073, 3793455, 5816631, 9694385, 11380365, 17449893, 29083155, 52349679, 87249465, 261748395]

約数ペア:

[(1, 261748395), (3, 87249465), (5, 52349679), (9, 29083155), (15, 17449893), (23, 11380365), (27, 9694385), (45, 5816631), (69, 3793455), (115, 2276073), (135, 1938877), (207, 1264485), (345, 758691), (621, 421495), (1035, 252897), (3105, 84299)]