207765

素因数分解:

$3^7\times 5^1\times {\mathrm{19}}^1$

素因数の和:45

約数の個数: 32

約数和(自身を含む): 393600

約数和(自身を除く): 185835

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 729, 855, 1215, 1539, 2187, 2565, 3645, 4617, 7695, 10935, 13851, 23085, 41553, 69255, 207765]

約数ペア:

[(1, 207765), (3, 69255), (5, 41553), (9, 23085), (15, 13851), (19, 10935), (27, 7695), (45, 4617), (57, 3645), (81, 2565), (95, 2187), (135, 1539), (171, 1215), (243, 855), (285, 729), (405, 513)]