212481639

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 328648320

約数和(自身を除く): 116166681

約数列:

[1, 3, 9, 37, 41, 79, 111, 123, 197, 237, 333, 369, 591, 711, 1517, 1773, 2923, 3239, 4551, 7289, 8077, 8769, 9717, 13653, 15563, 21867, 24231, 26307, 29151, 46689, 65601, 72693, 119843, 140067, 298849, 359529, 575831, 638083, 896547, 1078587, 1727493, 1914249, 2689641, 5182479, 5742747, 23609071, 70827213, 212481639]

約数ペア:

[(1, 212481639), (3, 70827213), (9, 23609071), (37, 5742747), (41, 5182479), (79, 2689641), (111, 1914249), (123, 1727493), (197, 1078587), (237, 896547), (333, 638083), (369, 575831), (591, 359529), (711, 298849), (1517, 140067), (1773, 119843), (2923, 72693), (3239, 65601), (4551, 46689), (7289, 29151), (8077, 26307), (8769, 24231), (9717, 21867), (13653, 15563)]