80813421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 133660800

約数和(自身を除く): 52847379

約数列:

[1, 3, 9, 13, 23, 39, 59, 69, 117, 177, 207, 299, 509, 531, 767, 897, 1357, 1527, 2301, 2691, 4071, 4581, 6617, 6903, 11707, 12213, 17641, 19851, 30031, 35121, 52923, 59553, 90093, 105363, 152191, 158769, 270279, 390403, 456573, 690713, 1171209, 1369719, 2072139, 3513627, 6216417, 8979269, 26937807, 80813421]

約数ペア:

[(1, 80813421), (3, 26937807), (9, 8979269), (13, 6216417), (23, 3513627), (39, 2072139), (59, 1369719), (69, 1171209), (117, 690713), (177, 456573), (207, 390403), (299, 270279), (509, 158769), (531, 152191), (767, 105363), (897, 90093), (1357, 59553), (1527, 52923), (2301, 35121), (2691, 30031), (4071, 19851), (4581, 17641), (6617, 12213), (6903, 11707)]