821394

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 2177280

約数和(自身を除く): 1355886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 53, 54, 63, 82, 106, 123, 126, 159, 189, 246, 287, 318, 369, 371, 378, 477, 574, 738, 742, 861, 954, 1107, 1113, 1431, 1722, 2173, 2214, 2226, 2583, 2862, 3339, 4346, 5166, 6519, 6678, 7749, 10017, 13038, 15211, 15498, 19557, 20034, 30422, 39114, 45633, 58671, 91266, 117342, 136899, 273798, 410697, 821394]

約数ペア:

[(1, 821394), (2, 410697), (3, 273798), (6, 136899), (7, 117342), (9, 91266), (14, 58671), (18, 45633), (21, 39114), (27, 30422), (41, 20034), (42, 19557), (53, 15498), (54, 15211), (63, 13038), (82, 10017), (106, 7749), (123, 6678), (126, 6519), (159, 5166), (189, 4346), (246, 3339), (287, 2862), (318, 2583), (369, 2226), (371, 2214), (378, 2173), (477, 1722), (574, 1431), (738, 1113), (742, 1107), (861, 954)]