61661505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{487}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 103440384

約数和(自身を除く): 41778879

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 367, 487, 1101, 1461, 1835, 2435, 5505, 7305, 8441, 11201, 25323, 33603, 42205, 56005, 126615, 168015, 178729, 536187, 893645, 2680935, 4110767, 12332301, 20553835, 61661505]

約数ペア:

[(1, 61661505), (3, 20553835), (5, 12332301), (15, 4110767), (23, 2680935), (69, 893645), (115, 536187), (345, 178729), (367, 168015), (487, 126615), (1101, 56005), (1461, 42205), (1835, 33603), (2435, 25323), (5505, 11201), (7305, 8441)]