13140405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 24513840

約数和(自身を除く): 11373435

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 89, 153, 193, 255, 267, 445, 579, 765, 801, 965, 1335, 1513, 1737, 2895, 3281, 4005, 4539, 7565, 8685, 9843, 13617, 16405, 17177, 22695, 29529, 49215, 51531, 68085, 85885, 147645, 154593, 257655, 292009, 772965, 876027, 1460045, 2628081, 4380135, 13140405]

約数ペア:

[(1, 13140405), (3, 4380135), (5, 2628081), (9, 1460045), (15, 876027), (17, 772965), (45, 292009), (51, 257655), (85, 154593), (89, 147645), (153, 85885), (193, 68085), (255, 51531), (267, 49215), (445, 29529), (579, 22695), (765, 17177), (801, 16405), (965, 13617), (1335, 9843), (1513, 8685), (1737, 7565), (2895, 4539), (3281, 4005)]