218536887

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 328200192

約数和(自身を除く): 109663305

約数列:

[1, 3, 17, 31, 47, 51, 93, 141, 173, 289, 519, 527, 799, 867, 1457, 1581, 2397, 2941, 4371, 5363, 8131, 8823, 8959, 13583, 16089, 24393, 24769, 26877, 40749, 49997, 74307, 91171, 138227, 149991, 252061, 273513, 414681, 421073, 756183, 1263219, 1549907, 2349859, 4285037, 4649721, 7049577, 12855111, 72845629, 218536887]

約数ペア:

[(1, 218536887), (3, 72845629), (17, 12855111), (31, 7049577), (47, 4649721), (51, 4285037), (93, 2349859), (141, 1549907), (173, 1263219), (289, 756183), (519, 421073), (527, 414681), (799, 273513), (867, 252061), (1457, 149991), (1581, 138227), (2397, 91171), (2941, 74307), (4371, 49997), (5363, 40749), (8131, 26877), (8823, 24769), (8959, 24393), (13583, 16089)]