72643839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 106474176

約数和(自身を除く): 33830337

約数列:

[1, 3, 17, 37, 51, 111, 137, 281, 411, 629, 843, 1887, 2329, 4777, 5069, 6987, 10397, 14331, 15207, 31191, 38497, 86173, 115491, 176749, 258519, 530247, 654449, 1424389, 1963347, 4273167, 24214613, 72643839]

約数ペア:

[(1, 72643839), (3, 24214613), (17, 4273167), (37, 1963347), (51, 1424389), (111, 654449), (137, 530247), (281, 258519), (411, 176749), (629, 115491), (843, 86173), (1887, 38497), (2329, 31191), (4777, 15207), (5069, 14331), (6987, 10397)]