12811995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 25721280

約数和(自身を除く): 12909285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 457, 623, 801, 1335, 1371, 1869, 2285, 3115, 3199, 4005, 4113, 5607, 6855, 9345, 9597, 15995, 20565, 28035, 28791, 40673, 47985, 122019, 143955, 203365, 284711, 366057, 610095, 854133, 1423555, 1830285, 2562399, 4270665, 12811995]

約数ペア:

[(1, 12811995), (3, 4270665), (5, 2562399), (7, 1830285), (9, 1423555), (15, 854133), (21, 610095), (35, 366057), (45, 284711), (63, 203365), (89, 143955), (105, 122019), (267, 47985), (315, 40673), (445, 28791), (457, 28035), (623, 20565), (801, 15995), (1335, 9597), (1371, 9345), (1869, 6855), (2285, 5607), (3115, 4113), (3199, 4005)]