81114615

素因数分解:

$3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 147472416

約数和(自身を除く): 66357801

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 243, 303, 405, 505, 661, 909, 1215, 1515, 1983, 2727, 3305, 4545, 5949, 8181, 9915, 13635, 17847, 24543, 29745, 40905, 53541, 66761, 89235, 122715, 160623, 200283, 267705, 333805, 600849, 803115, 1001415, 1802547, 3004245, 5407641, 9012735, 16222923, 27038205, 81114615]

約数ペア:

[(1, 81114615), (3, 27038205), (5, 16222923), (9, 9012735), (15, 5407641), (27, 3004245), (45, 1802547), (81, 1001415), (101, 803115), (135, 600849), (243, 333805), (303, 267705), (405, 200283), (505, 160623), (661, 122715), (909, 89235), (1215, 66761), (1515, 53541), (1983, 40905), (2727, 29745), (3305, 24543), (4545, 17847), (5949, 13635), (8181, 9915)]