154770021

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3067}}^1$

素因数の和:3175

約数の個数: 40

約数和(自身を含む): 267284160

約数和(自身を除く): 112514139

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 267, 567, 623, 801, 1869, 2403, 3067, 5607, 7209, 9201, 16821, 21469, 27603, 50463, 64407, 82809, 193221, 248427, 272963, 579663, 818889, 1738989, 1910741, 2456667, 5732223, 7370001, 17196669, 22110003, 51590007, 154770021]

約数ペア:

[(1, 154770021), (3, 51590007), (7, 22110003), (9, 17196669), (21, 7370001), (27, 5732223), (63, 2456667), (81, 1910741), (89, 1738989), (189, 818889), (267, 579663), (567, 272963), (623, 248427), (801, 193221), (1869, 82809), (2403, 64407), (3067, 50463), (5607, 27603), (7209, 21469), (9201, 16821)]