199434837

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4019}}^1$

素因数の和:4185

約数の個数: 32

約数和(自身を含む): 324172800

約数和(自身を除く): 124737963

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 973, 2363, 2919, 4019, 7089, 12057, 16541, 28133, 49623, 68323, 84399, 204969, 478261, 558641, 1434783, 1675923, 3910487, 9496897, 11731461, 28490691, 66478279, 199434837]

約数ペア:

[(1, 199434837), (3, 66478279), (7, 28490691), (17, 11731461), (21, 9496897), (51, 3910487), (119, 1675923), (139, 1434783), (357, 558641), (417, 478261), (973, 204969), (2363, 84399), (2919, 68323), (4019, 49623), (7089, 28133), (12057, 16541)]