7621965

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 15079680

約数和(自身を除く): 7457715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 65, 101, 117, 129, 135, 195, 215, 303, 351, 387, 505, 559, 585, 645, 909, 1161, 1313, 1515, 1677, 1755, 1935, 2727, 2795, 3939, 4343, 4545, 5031, 5805, 6565, 8385, 11817, 13029, 13635, 15093, 19695, 21715, 25155, 35451, 39087, 56459, 59085, 65145, 75465, 117261, 169377, 177255, 195435, 282295, 508131, 586305, 846885, 1524393, 2540655, 7621965]

約数ペア:

[(1, 7621965), (3, 2540655), (5, 1524393), (9, 846885), (13, 586305), (15, 508131), (27, 282295), (39, 195435), (43, 177255), (45, 169377), (65, 117261), (101, 75465), (117, 65145), (129, 59085), (135, 56459), (195, 39087), (215, 35451), (303, 25155), (351, 21715), (387, 19695), (505, 15093), (559, 13635), (585, 13029), (645, 11817), (909, 8385), (1161, 6565), (1313, 5805), (1515, 5031), (1677, 4545), (1755, 4343), (1935, 3939), (2727, 2795)]