31812957

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 51123072

約数和(自身を除く): 19310115

約数列:

[1, 3, 9, 11, 33, 99, 121, 131, 223, 363, 393, 669, 1089, 1179, 1441, 2007, 2453, 4323, 7359, 12969, 15851, 22077, 26983, 29213, 47553, 80949, 87639, 142659, 242847, 262917, 321343, 964029, 2892087, 3534773, 10604319, 31812957]

約数ペア:

[(1, 31812957), (3, 10604319), (9, 3534773), (11, 2892087), (33, 964029), (99, 321343), (121, 262917), (131, 242847), (223, 142659), (363, 87639), (393, 80949), (669, 47553), (1089, 29213), (1179, 26983), (1441, 22077), (2007, 15851), (2453, 12969), (4323, 7359)]