1307295

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2620800

約数和(自身を除く): 1313505

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 139, 165, 171, 209, 285, 417, 495, 627, 695, 855, 1045, 1251, 1529, 1881, 2085, 2641, 3135, 4587, 6255, 7645, 7923, 9405, 13205, 13761, 22935, 23769, 29051, 39615, 68805, 87153, 118845, 145255, 261459, 435765, 1307295]

約数ペア:

[(1, 1307295), (3, 435765), (5, 261459), (9, 145255), (11, 118845), (15, 87153), (19, 68805), (33, 39615), (45, 29051), (55, 23769), (57, 22935), (95, 13761), (99, 13205), (139, 9405), (165, 7923), (171, 7645), (209, 6255), (285, 4587), (417, 3135), (495, 2641), (627, 2085), (695, 1881), (855, 1529), (1045, 1251)]