918446787

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 1435898880

約数和(自身を除く): 517452093

約数列:

[1, 3, 9, 23, 47, 67, 69, 141, 201, 207, 423, 603, 1081, 1409, 1541, 3149, 3243, 4227, 4623, 9447, 9729, 12681, 13869, 28341, 32407, 66223, 72427, 94403, 97221, 198669, 217281, 283209, 291663, 596007, 651843, 849627, 1523129, 2171269, 4436941, 4569387, 6513807, 13310823, 13708161, 19541421, 39932469, 102049643, 306148929, 918446787]

約数ペア:

[(1, 918446787), (3, 306148929), (9, 102049643), (23, 39932469), (47, 19541421), (67, 13708161), (69, 13310823), (141, 6513807), (201, 4569387), (207, 4436941), (423, 2171269), (603, 1523129), (1081, 849627), (1409, 651843), (1541, 596007), (3149, 291663), (3243, 283209), (4227, 217281), (4623, 198669), (9447, 97221), (9729, 94403), (12681, 72427), (13869, 66223), (28341, 32407)]