91142821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{38183}}^1$

素因数の和:38232

約数の個数: 16

約数和(自身を含む): 117301248

約数和(自身を除く): 26158427

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 38183, 267281, 420013, 1183673, 2940091, 8285711, 13020403, 91142821]

約数ペア:

[(1, 91142821), (7, 13020403), (11, 8285711), (31, 2940091), (77, 1183673), (217, 420013), (341, 267281), (2387, 38183)]