16828965

素因数分解:

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

素因数の和:57

約数の個数: 48

約数和(自身を含む): 31886400

約数和(自身を除く): 15057435

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, 6561, 7695, 10935, 13851, 19683, 23085, 32805, 41553, 59049, 69255, 98415, 124659, 177147, 207765, 295245, 373977, 623295, 885735, 1121931, 1869885, 3365793, 5609655, 16828965]

約数ペア:

[(1, 16828965), (3, 5609655), (5, 3365793), (9, 1869885), (15, 1121931), (19, 885735), (27, 623295), (45, 373977), (57, 295245), (81, 207765), (95, 177147), (135, 124659), (171, 98415), (243, 69255), (285, 59049), (405, 41553), (513, 32805), (729, 23085), (855, 19683), (1215, 13851), (1539, 10935), (2187, 7695), (2565, 6561), (3645, 4617)]