287888931

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3001}}^1$

素因数の和:3057

約数の個数: 64

約数和(自身を含む): 518745600

約数和(自身を除く): 230856669

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 57, 99, 153, 171, 187, 209, 297, 323, 459, 513, 561, 627, 969, 1683, 1881, 2907, 3001, 3553, 5049, 5643, 8721, 9003, 10659, 27009, 31977, 33011, 51017, 57019, 81027, 95931, 99033, 153051, 171057, 297099, 459153, 513171, 561187, 627209, 891297, 969323, 1377459, 1539513, 1683561, 1881627, 2907969, 5050683, 5644881, 8723907, 10662553, 15152049, 16934643, 26171721, 31987659, 95962977, 287888931]

約数ペア:

[(1, 287888931), (3, 95962977), (9, 31987659), (11, 26171721), (17, 16934643), (19, 15152049), (27, 10662553), (33, 8723907), (51, 5644881), (57, 5050683), (99, 2907969), (153, 1881627), (171, 1683561), (187, 1539513), (209, 1377459), (297, 969323), (323, 891297), (459, 627209), (513, 561187), (561, 513171), (627, 459153), (969, 297099), (1683, 171057), (1881, 153051), (2907, 99033), (3001, 95931), (3553, 81027), (5049, 57019), (5643, 51017), (8721, 33011), (9003, 31977), (10659, 27009)]