209380563

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 357966336

約数和(自身を除く): 148585773

約数列:

[1, 3, 7, 9, 21, 41, 63, 103, 123, 287, 309, 369, 721, 787, 861, 927, 2163, 2361, 2583, 4223, 5509, 6489, 7083, 12669, 16527, 29561, 32267, 38007, 49581, 81061, 88683, 96801, 225869, 243183, 266049, 290403, 567427, 677607, 729549, 1702281, 2032821, 3323501, 5106843, 9970503, 23264507, 29911509, 69793521, 209380563]

約数ペア:

[(1, 209380563), (3, 69793521), (7, 29911509), (9, 23264507), (21, 9970503), (41, 5106843), (63, 3323501), (103, 2032821), (123, 1702281), (287, 729549), (309, 677607), (369, 567427), (721, 290403), (787, 266049), (861, 243183), (927, 225869), (2163, 96801), (2361, 88683), (2583, 81061), (4223, 49581), (5509, 38007), (6489, 32267), (7083, 29561), (12669, 16527)]