13861755

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 11747205

約数列:

[1, 3, 5, 9, 15, 23, 45, 59, 69, 115, 177, 207, 227, 295, 345, 531, 681, 885, 1035, 1135, 1357, 2043, 2655, 3405, 4071, 5221, 6785, 10215, 12213, 13393, 15663, 20355, 26105, 40179, 46989, 61065, 66965, 78315, 120537, 200895, 234945, 308039, 602685, 924117, 1540195, 2772351, 4620585, 13861755]

約数ペア:

[(1, 13861755), (3, 4620585), (5, 2772351), (9, 1540195), (15, 924117), (23, 602685), (45, 308039), (59, 234945), (69, 200895), (115, 120537), (177, 78315), (207, 66965), (227, 61065), (295, 46989), (345, 40179), (531, 26105), (681, 20355), (885, 15663), (1035, 13393), (1135, 12213), (1357, 10215), (2043, 6785), (2655, 5221), (3405, 4071)]