71904105

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1988

約数の個数: 80

約数和(自身を含む): 158721024

約数和(自身を除く): 86816919

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 567, 585, 819, 945, 1053, 1365, 1755, 1951, 2457, 2835, 4095, 5265, 5853, 7371, 9755, 12285, 13657, 17559, 25363, 29265, 36855, 40971, 52677, 68285, 76089, 87795, 122913, 126815, 158031, 177541, 204855, 228267, 263385, 368739, 380445, 532623, 614565, 684801, 790155, 887705, 1106217, 1141335, 1597869, 1843695, 2054403, 2663115, 3424005, 4793607, 5531085, 7989345, 10272015, 14380821, 23968035, 71904105]

約数ペア:

[(1, 71904105), (3, 23968035), (5, 14380821), (7, 10272015), (9, 7989345), (13, 5531085), (15, 4793607), (21, 3424005), (27, 2663115), (35, 2054403), (39, 1843695), (45, 1597869), (63, 1141335), (65, 1106217), (81, 887705), (91, 790155), (105, 684801), (117, 614565), (135, 532623), (189, 380445), (195, 368739), (273, 263385), (315, 228267), (351, 204855), (405, 177541), (455, 158031), (567, 126815), (585, 122913), (819, 87795), (945, 76089), (1053, 68285), (1365, 52677), (1755, 40971), (1951, 36855), (2457, 29265), (2835, 25363), (4095, 17559), (5265, 13657), (5853, 12285), (7371, 9755)]