28778445

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 53202240

約数和(自身を除く): 24423795

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 97, 171, 285, 291, 347, 485, 855, 873, 1041, 1455, 1735, 1843, 3123, 4365, 5205, 5529, 6593, 9215, 15615, 16587, 19779, 27645, 32965, 33659, 59337, 82935, 98895, 100977, 168295, 296685, 302931, 504885, 639521, 1514655, 1918563, 3197605, 5755689, 9592815, 28778445]

約数ペア:

[(1, 28778445), (3, 9592815), (5, 5755689), (9, 3197605), (15, 1918563), (19, 1514655), (45, 639521), (57, 504885), (95, 302931), (97, 296685), (171, 168295), (285, 100977), (291, 98895), (347, 82935), (485, 59337), (855, 33659), (873, 32965), (1041, 27645), (1455, 19779), (1735, 16587), (1843, 15615), (3123, 9215), (4365, 6593), (5205, 5529)]