8917821

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 14938560

約数和(自身を除く): 6020739

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 431, 627, 1089, 1293, 1881, 2299, 3879, 4741, 6897, 8189, 14223, 20691, 24567, 42669, 52151, 73701, 90079, 156453, 270237, 469359, 810711, 990869, 2972607, 8917821]

約数ペア:

[(1, 8917821), (3, 2972607), (9, 990869), (11, 810711), (19, 469359), (33, 270237), (57, 156453), (99, 90079), (121, 73701), (171, 52151), (209, 42669), (363, 24567), (431, 20691), (627, 14223), (1089, 8189), (1293, 6897), (1881, 4741), (2299, 3879)]