81239535

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7309}}^1$

素因数の和:7352

約数の個数: 48

約数和(自身を含む): 159650400

約数和(自身を除く): 78410865

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 7309, 11115, 21927, 36545, 65781, 95017, 109635, 138871, 285051, 328905, 416613, 475085, 694355, 855153, 1249839, 1425255, 1805323, 2083065, 4275765, 5415969, 6249195, 9026615, 16247907, 27079845, 81239535]

約数ペア:

[(1, 81239535), (3, 27079845), (5, 16247907), (9, 9026615), (13, 6249195), (15, 5415969), (19, 4275765), (39, 2083065), (45, 1805323), (57, 1425255), (65, 1249839), (95, 855153), (117, 694355), (171, 475085), (195, 416613), (247, 328905), (285, 285051), (585, 138871), (741, 109635), (855, 95017), (1235, 65781), (2223, 36545), (3705, 21927), (7309, 11115)]