168553503

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{13883}}^1$

素因数の和:13979

約数の個数: 24

約数和(自身を含む): 259908480

約数和(自身を除く): 91354977

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 13883, 41649, 124947, 263777, 791331, 985693, 2373993, 2957079, 8871237, 18728167, 56184501, 168553503]

約数ペア:

[(1, 168553503), (3, 56184501), (9, 18728167), (19, 8871237), (57, 2957079), (71, 2373993), (171, 985693), (213, 791331), (639, 263777), (1349, 124947), (4047, 41649), (12141, 13883)]