28760589

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 60

約数和(自身を含む): 51017472

約数和(自身を除く): 22256883

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 169, 191, 297, 351, 429, 507, 573, 891, 1053, 1287, 1521, 1719, 1859, 2101, 2483, 3861, 4563, 5157, 5577, 6303, 7449, 11583, 13689, 15471, 16731, 18909, 22347, 27313, 32279, 50193, 56727, 67041, 81939, 96837, 150579, 170181, 201123, 245817, 290511, 355069, 737451, 871533, 1065207, 2212353, 2614599, 3195621, 9586863, 28760589]

約数ペア:

[(1, 28760589), (3, 9586863), (9, 3195621), (11, 2614599), (13, 2212353), (27, 1065207), (33, 871533), (39, 737451), (81, 355069), (99, 290511), (117, 245817), (143, 201123), (169, 170181), (191, 150579), (297, 96837), (351, 81939), (429, 67041), (507, 56727), (573, 50193), (891, 32279), (1053, 27313), (1287, 22347), (1521, 18909), (1719, 16731), (1859, 15471), (2101, 13689), (2483, 11583), (3861, 7449), (4563, 6303), (5157, 5577)]