247722657

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53377}}^1$

素因数の和:53417

約数の個数: 32

約数和(自身を含む): 430440192

約数和(自身を除く): 182717535

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 53377, 160131, 373639, 693901, 907409, 1120917, 2081703, 2722227, 4857307, 6351863, 11796317, 14571921, 19055589, 35388951, 82574219, 247722657]

約数ペア:

[(1, 247722657), (3, 82574219), (7, 35388951), (13, 19055589), (17, 14571921), (21, 11796317), (39, 6351863), (51, 4857307), (91, 2722227), (119, 2081703), (221, 1120917), (273, 907409), (357, 693901), (663, 373639), (1547, 160131), (4641, 53377)]