28820055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 26130345

約数列:

[1, 3, 5, 11, 15, 19, 29, 33, 55, 57, 87, 95, 145, 165, 209, 285, 317, 319, 435, 551, 627, 951, 957, 1045, 1585, 1595, 1653, 2755, 3135, 3487, 4755, 4785, 6023, 6061, 8265, 9193, 10461, 17435, 18069, 18183, 27579, 30115, 30305, 45965, 52305, 66253, 90345, 90915, 101123, 137895, 174667, 198759, 303369, 331265, 505615, 524001, 873335, 993795, 1516845, 1921337, 2620005, 5764011, 9606685, 28820055]

約数ペア:

[(1, 28820055), (3, 9606685), (5, 5764011), (11, 2620005), (15, 1921337), (19, 1516845), (29, 993795), (33, 873335), (55, 524001), (57, 505615), (87, 331265), (95, 303369), (145, 198759), (165, 174667), (209, 137895), (285, 101123), (317, 90915), (319, 90345), (435, 66253), (551, 52305), (627, 45965), (951, 30305), (957, 30115), (1045, 27579), (1585, 18183), (1595, 18069), (1653, 17435), (2755, 10461), (3135, 9193), (3487, 8265), (4755, 6061), (4785, 6023)]