290376723

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 485612288

約数和(自身を除く): 195235565

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 211, 213, 273, 497, 633, 923, 1477, 1491, 2743, 2769, 4431, 5041, 6461, 8229, 14981, 15123, 19201, 19383, 35287, 44943, 57603, 65533, 104867, 105861, 194753, 196599, 314601, 458731, 584259, 1063651, 1363271, 1376193, 3190953, 4089813, 7445557, 13827463, 22336671, 41482389, 96792241, 290376723]

約数ペア:

[(1, 290376723), (3, 96792241), (7, 41482389), (13, 22336671), (21, 13827463), (39, 7445557), (71, 4089813), (91, 3190953), (211, 1376193), (213, 1363271), (273, 1063651), (497, 584259), (633, 458731), (923, 314601), (1477, 196599), (1491, 194753), (2743, 105861), (2769, 104867), (4431, 65533), (5041, 57603), (6461, 44943), (8229, 35287), (14981, 19383), (15123, 19201)]