13831521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 21168000

約数和(自身を除く): 7336479

約数列:

[1, 3, 11, 29, 33, 87, 97, 149, 291, 319, 447, 957, 1067, 1639, 2813, 3201, 4321, 4917, 8439, 12963, 14453, 30943, 43359, 47531, 92829, 142593, 158983, 419137, 476949, 1257411, 4610507, 13831521]

約数ペア:

[(1, 13831521), (3, 4610507), (11, 1257411), (29, 476949), (33, 419137), (87, 158983), (97, 142593), (149, 92829), (291, 47531), (319, 43359), (447, 30943), (957, 14453), (1067, 12963), (1639, 8439), (2813, 4917), (3201, 4321)]