1228821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 1866240

約数和(自身を除く): 637419

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 1619, 4857, 17809, 37237, 53427, 111711, 409607, 1228821]

約数ペア:

[(1, 1228821), (3, 409607), (11, 111711), (23, 53427), (33, 37237), (69, 17809), (253, 4857), (759, 1619)]