71782821

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2393}}^1$

素因数の和:2514

約数の個数: 32

約数和(自身を含む): 117210240

約数和(自身を除く): 45427419

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 909, 1111, 2393, 2727, 3333, 7179, 9999, 21537, 26323, 29997, 64611, 78969, 236907, 241693, 710721, 725079, 2175237, 2658623, 6525711, 7975869, 23927607, 71782821]

約数ペア:

[(1, 71782821), (3, 23927607), (9, 7975869), (11, 6525711), (27, 2658623), (33, 2175237), (99, 725079), (101, 710721), (297, 241693), (303, 236907), (909, 78969), (1111, 64611), (2393, 29997), (2727, 26323), (3333, 21537), (7179, 9999)]