218271807

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 361912320

約数和(自身を除く): 143640513

約数列:

[1, 3, 9, 13, 27, 39, 47, 101, 117, 131, 141, 303, 351, 393, 423, 611, 909, 1179, 1269, 1313, 1703, 1833, 2727, 3537, 3939, 4747, 5109, 5499, 6157, 11817, 13231, 14241, 15327, 16497, 18471, 35451, 39693, 42723, 45981, 55413, 61711, 80041, 119079, 128169, 166239, 172003, 185133, 240123, 357237, 516009, 555399, 621857, 720369, 1548027, 1666197, 1865571, 2161107, 4644081, 5596713, 8084141, 16790139, 24252423, 72757269, 218271807]

約数ペア:

[(1, 218271807), (3, 72757269), (9, 24252423), (13, 16790139), (27, 8084141), (39, 5596713), (47, 4644081), (101, 2161107), (117, 1865571), (131, 1666197), (141, 1548027), (303, 720369), (351, 621857), (393, 555399), (423, 516009), (611, 357237), (909, 240123), (1179, 185133), (1269, 172003), (1313, 166239), (1703, 128169), (1833, 119079), (2727, 80041), (3537, 61711), (3939, 55413), (4747, 45981), (5109, 42723), (5499, 39693), (6157, 35451), (11817, 18471), (13231, 16497), (14241, 15327)]