138840885

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18043}}^1$

素因数の和:18079

約数の個数: 40

約数和(自身を含む): 261998880

約数和(自身を除く): 123157995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 18043, 54129, 90215, 162387, 270645, 342817, 487161, 811935, 1028451, 1461483, 1714085, 2435805, 3085353, 5142255, 7307415, 9256059, 15426765, 27768177, 46280295, 138840885]

約数ペア:

[(1, 138840885), (3, 46280295), (5, 27768177), (9, 15426765), (15, 9256059), (19, 7307415), (27, 5142255), (45, 3085353), (57, 2435805), (81, 1714085), (95, 1461483), (135, 1028451), (171, 811935), (285, 487161), (405, 342817), (513, 270645), (855, 162387), (1539, 90215), (2565, 54129), (7695, 18043)]