668850483

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{4423}}^1$

素因数の和:4831

約数の個数: 32

約数和(自身を含む): 1075916800

約数和(自身を除く): 407066317

約数列:

[1, 3, 7, 19, 21, 57, 133, 379, 399, 1137, 2653, 4423, 7201, 7959, 13269, 21603, 30961, 50407, 84037, 92883, 151221, 252111, 588259, 1676317, 1764777, 5028951, 11734219, 31850023, 35202657, 95550069, 222950161, 668850483]

約数ペア:

[(1, 668850483), (3, 222950161), (7, 95550069), (19, 35202657), (21, 31850023), (57, 11734219), (133, 5028951), (379, 1764777), (399, 1676317), (1137, 588259), (2653, 252111), (4423, 151221), (7201, 92883), (7959, 84037), (13269, 50407), (21603, 30961)]