28325295

素因数分解:

$3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 56

約数和(自身を含む): 53775600

約数和(自身を除く): 25450305

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 409, 513, 729, 855, 1215, 1227, 1539, 2045, 2565, 3645, 3681, 4617, 6135, 7695, 7771, 11043, 13851, 18405, 23085, 23313, 33129, 38855, 55215, 69255, 69939, 99387, 116565, 165645, 209817, 298161, 349695, 496935, 629451, 1049085, 1490805, 1888353, 3147255, 5665059, 9441765, 28325295]

約数ペア:

[(1, 28325295), (3, 9441765), (5, 5665059), (9, 3147255), (15, 1888353), (19, 1490805), (27, 1049085), (45, 629451), (57, 496935), (81, 349695), (95, 298161), (135, 209817), (171, 165645), (243, 116565), (285, 99387), (405, 69939), (409, 69255), (513, 55215), (729, 38855), (855, 33129), (1215, 23313), (1227, 23085), (1539, 18405), (2045, 13851), (2565, 11043), (3645, 7771), (3681, 7695), (4617, 6135)]