161361213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 237834240

約数和(自身を除く): 76473027

約数列:

[1, 3, 13, 39, 79, 83, 237, 249, 631, 1027, 1079, 1893, 3081, 3237, 6557, 8203, 19671, 24609, 49849, 52373, 85241, 149547, 157119, 255723, 648037, 680849, 1944111, 2042547, 4137467, 12412401, 53787071, 161361213]

約数ペア:

[(1, 161361213), (3, 53787071), (13, 12412401), (39, 4137467), (79, 2042547), (83, 1944111), (237, 680849), (249, 648037), (631, 255723), (1027, 157119), (1079, 149547), (1893, 85241), (3081, 52373), (3237, 49849), (6557, 24609), (8203, 19671)]