81442869

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 119563776

約数和(自身を除く): 38120907

約数列:

[1, 3, 17, 47, 51, 61, 141, 183, 557, 799, 1037, 1671, 2397, 2867, 3111, 8601, 9469, 26179, 28407, 33977, 48739, 78537, 101931, 146217, 445043, 577609, 1335129, 1596919, 1732827, 4790757, 27147623, 81442869]

約数ペア:

[(1, 81442869), (3, 27147623), (17, 4790757), (47, 1732827), (51, 1596919), (61, 1335129), (141, 577609), (183, 445043), (557, 146217), (799, 101931), (1037, 78537), (1671, 48739), (2397, 33977), (2867, 28407), (3111, 26179), (8601, 9469)]