1811061

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 3369600

約数和(自身を除く): 1558539

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 89, 119, 133, 153, 171, 267, 323, 357, 399, 623, 801, 969, 1071, 1197, 1513, 1691, 1869, 2261, 2907, 4539, 5073, 5607, 6783, 10591, 11837, 13617, 15219, 20349, 28747, 31773, 35511, 86241, 95319, 106533, 201229, 258723, 603687, 1811061]

約数ペア:

[(1, 1811061), (3, 603687), (7, 258723), (9, 201229), (17, 106533), (19, 95319), (21, 86241), (51, 35511), (57, 31773), (63, 28747), (89, 20349), (119, 15219), (133, 13617), (153, 11837), (171, 10591), (267, 6783), (323, 5607), (357, 5073), (399, 4539), (623, 2907), (801, 2261), (969, 1869), (1071, 1691), (1197, 1513)]