142821309

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 208834560

約数和(自身を除く): 66013251

約数列:

[1, 3, 19, 31, 57, 93, 131, 393, 589, 617, 1767, 1851, 2489, 4061, 7467, 11723, 12183, 19127, 35169, 57381, 77159, 80827, 231477, 242481, 363413, 1090239, 1535713, 2505637, 4607139, 7516911, 47607103, 142821309]

約数ペア:

[(1, 142821309), (3, 47607103), (19, 7516911), (31, 4607139), (57, 2505637), (93, 1535713), (131, 1090239), (393, 363413), (589, 242481), (617, 231477), (1767, 80827), (1851, 77159), (2489, 57381), (4061, 35169), (7467, 19127), (11723, 12183)]