31191849

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{317}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 50409996

約数和(自身を除く): 19218147

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 317, 377, 841, 951, 1131, 2523, 2853, 3393, 4121, 7569, 9193, 10933, 12363, 27579, 32799, 37089, 82737, 98397, 119509, 266597, 358527, 799791, 1075581, 2399373, 3465761, 10397283, 31191849]

約数ペア:

[(1, 31191849), (3, 10397283), (9, 3465761), (13, 2399373), (29, 1075581), (39, 799791), (87, 358527), (117, 266597), (261, 119509), (317, 98397), (377, 82737), (841, 37089), (951, 32799), (1131, 27579), (2523, 12363), (2853, 10933), (3393, 9193), (4121, 7569)]