249915897

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2297}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 453128832

約数和(自身を除く): 203212935

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 157, 231, 471, 693, 1099, 1413, 1727, 2297, 3297, 5181, 6891, 9891, 12089, 15543, 16079, 20673, 25267, 36267, 48237, 75801, 108801, 144711, 176869, 227403, 360629, 530607, 1081887, 1591821, 2524403, 3245661, 3966919, 7573209, 11900757, 22719627, 27768433, 35702271, 83305299, 249915897]

約数ペア:

[(1, 249915897), (3, 83305299), (7, 35702271), (9, 27768433), (11, 22719627), (21, 11900757), (33, 7573209), (63, 3966919), (77, 3245661), (99, 2524403), (157, 1591821), (231, 1081887), (471, 530607), (693, 360629), (1099, 227403), (1413, 176869), (1727, 144711), (2297, 108801), (3297, 75801), (5181, 48237), (6891, 36267), (9891, 25267), (12089, 20673), (15543, 16079)]