220845417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{607}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 335032320

約数和(自身を除く): 114186903

約数列:

[1, 3, 13, 19, 39, 57, 247, 491, 607, 741, 1473, 1821, 6383, 7891, 9329, 11533, 19149, 23673, 27987, 34599, 121277, 149929, 298037, 363831, 449787, 894111, 3874481, 5662703, 11623443, 16988109, 73615139, 220845417]

約数ペア:

[(1, 220845417), (3, 73615139), (13, 16988109), (19, 11623443), (39, 5662703), (57, 3874481), (247, 894111), (491, 449787), (607, 363831), (741, 298037), (1473, 149929), (1821, 121277), (6383, 34599), (7891, 27987), (9329, 23673), (11533, 19149)]