81577659

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 119266560

約数和(自身を除く): 37688901

約数列:

[1, 3, 19, 41, 57, 67, 123, 201, 521, 779, 1273, 1563, 2337, 2747, 3819, 8241, 9899, 21361, 29697, 34907, 52193, 64083, 104721, 156579, 405859, 663233, 1217577, 1431187, 1989699, 4293561, 27192553, 81577659]

約数ペア:

[(1, 81577659), (3, 27192553), (19, 4293561), (41, 1989699), (57, 1431187), (67, 1217577), (123, 663233), (201, 405859), (521, 156579), (779, 104721), (1273, 64083), (1563, 52193), (2337, 34907), (2747, 29697), (3819, 21361), (8241, 9899)]