28704345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 23826855

約数列:

[1, 3, 5, 15, 19, 23, 29, 57, 69, 87, 95, 115, 145, 151, 285, 345, 435, 437, 453, 551, 667, 755, 1311, 1653, 2001, 2185, 2265, 2755, 2869, 3335, 3473, 4379, 6555, 8265, 8607, 10005, 10419, 12673, 13137, 14345, 17365, 21895, 38019, 43035, 52095, 63365, 65685, 65987, 83201, 100717, 190095, 197961, 249603, 302151, 329935, 416005, 503585, 989805, 1248015, 1510755, 1913623, 5740869, 9568115, 28704345]

約数ペア:

[(1, 28704345), (3, 9568115), (5, 5740869), (15, 1913623), (19, 1510755), (23, 1248015), (29, 989805), (57, 503585), (69, 416005), (87, 329935), (95, 302151), (115, 249603), (145, 197961), (151, 190095), (285, 100717), (345, 83201), (435, 65987), (437, 65685), (453, 63365), (551, 52095), (667, 43035), (755, 38019), (1311, 21895), (1653, 17365), (2001, 14345), (2185, 13137), (2265, 12673), (2755, 10419), (2869, 10005), (3335, 8607), (3473, 8265), (4379, 6555)]