212875971

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 373800960

約数和(自身を除く): 160924989

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 103, 161, 231, 253, 309, 389, 483, 721, 759, 1133, 1167, 1771, 2163, 2369, 2723, 3399, 4279, 5313, 7107, 7931, 8169, 8947, 12837, 16583, 23793, 26059, 26841, 29953, 40067, 49749, 62629, 78177, 89859, 98417, 120201, 182413, 187887, 280469, 295251, 440737, 547239, 688919, 841407, 921541, 1322211, 2066757, 2764623, 3085159, 6450787, 9255477, 10136951, 19352361, 30410853, 70958657, 212875971]

約数ペア:

[(1, 212875971), (3, 70958657), (7, 30410853), (11, 19352361), (21, 10136951), (23, 9255477), (33, 6450787), (69, 3085159), (77, 2764623), (103, 2066757), (161, 1322211), (231, 921541), (253, 841407), (309, 688919), (389, 547239), (483, 440737), (721, 295251), (759, 280469), (1133, 187887), (1167, 182413), (1771, 120201), (2163, 98417), (2369, 89859), (2723, 78177), (3399, 62629), (4279, 49749), (5313, 40067), (7107, 29953), (7931, 26841), (8169, 26059), (8947, 23793), (12837, 16583)]