997899

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 1666560

約数和(自身を除く): 668661

約数列:

[1, 3, 7, 19, 21, 41, 57, 61, 123, 133, 183, 287, 399, 427, 779, 861, 1159, 1281, 2337, 2501, 3477, 5453, 7503, 8113, 16359, 17507, 24339, 47519, 52521, 142557, 332633, 997899]

約数ペア:

[(1, 997899), (3, 332633), (7, 142557), (19, 52521), (21, 47519), (41, 24339), (57, 17507), (61, 16359), (123, 8113), (133, 7503), (183, 5453), (287, 3477), (399, 2501), (427, 2337), (779, 1281), (861, 1159)]