168055839

素因数分解:

$3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{2909}}^1$

素因数の和:3060

約数の個数: 36

約数和(自身を含む): 284632920

約数和(自身を除く): 116577081

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 393, 441, 917, 1179, 2751, 2909, 6419, 8253, 8727, 19257, 20363, 26181, 57771, 61089, 142541, 183267, 381079, 427623, 1143237, 1282869, 2667553, 3429711, 8002659, 18672871, 24007977, 56018613, 168055839]

約数ペア:

[(1, 168055839), (3, 56018613), (7, 24007977), (9, 18672871), (21, 8002659), (49, 3429711), (63, 2667553), (131, 1282869), (147, 1143237), (393, 427623), (441, 381079), (917, 183267), (1179, 142541), (2751, 61089), (2909, 57771), (6419, 26181), (8253, 20363), (8727, 19257)]