210919221

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3259}}^1$

素因数の和:3335

約数の個数: 40

約数和(自身を含む): 340813440

約数和(自身を除く): 129894219

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 423, 459, 799, 1269, 1377, 2397, 3259, 3807, 7191, 9777, 21573, 29331, 55403, 64719, 87993, 153173, 166209, 263979, 459519, 498627, 1378557, 1495881, 2603941, 4135671, 4487643, 7811823, 12407013, 23435469, 70306407, 210919221]

約数ペア:

[(1, 210919221), (3, 70306407), (9, 23435469), (17, 12407013), (27, 7811823), (47, 4487643), (51, 4135671), (81, 2603941), (141, 1495881), (153, 1378557), (423, 498627), (459, 459519), (799, 263979), (1269, 166209), (1377, 153173), (2397, 87993), (3259, 64719), (3807, 55403), (7191, 29331), (9777, 21573)]