81535345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 106064640

約数和(自身を除く): 24529295

約数列:

[1, 5, 23, 59, 61, 115, 197, 295, 305, 985, 1357, 1403, 3599, 4531, 6785, 7015, 11623, 12017, 17995, 22655, 58115, 60085, 82777, 267329, 276391, 413885, 709003, 1336645, 1381955, 3545015, 16307069, 81535345]

約数ペア:

[(1, 81535345), (5, 16307069), (23, 3545015), (59, 1381955), (61, 1336645), (115, 709003), (197, 413885), (295, 276391), (305, 267329), (985, 82777), (1357, 60085), (1403, 58115), (3599, 22655), (4531, 17995), (6785, 12017), (7015, 11623)]