91212289

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 112066560

約数和(自身を除く): 20854271

約数列:

[1, 7, 37, 47, 59, 127, 259, 329, 413, 889, 1739, 2183, 2773, 4699, 5969, 7493, 12173, 15281, 19411, 32893, 41783, 52451, 102601, 220853, 277241, 352171, 718207, 1545971, 1940687, 2465197, 13030327, 91212289]

約数ペア:

[(1, 91212289), (7, 13030327), (37, 2465197), (47, 1940687), (59, 1545971), (127, 718207), (259, 352171), (329, 277241), (413, 220853), (889, 102601), (1739, 52451), (2183, 41783), (2773, 32893), (4699, 19411), (5969, 15281), (7493, 12173)]