64695969

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 110880000

約数和(自身を除く): 46184031

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 89, 109, 117, 171, 247, 267, 327, 351, 513, 741, 801, 981, 1157, 1417, 1691, 2071, 2223, 2403, 2943, 3471, 4251, 5073, 6213, 6669, 9701, 10413, 12753, 15219, 18639, 21983, 26923, 29103, 31239, 38259, 45657, 55917, 65949, 80769, 87309, 126113, 184319, 197847, 242307, 261927, 378339, 552957, 593541, 726921, 1135017, 1658871, 2396147, 3405051, 4976613, 7188441, 21565323, 64695969]

約数ペア:

[(1, 64695969), (3, 21565323), (9, 7188441), (13, 4976613), (19, 3405051), (27, 2396147), (39, 1658871), (57, 1135017), (89, 726921), (109, 593541), (117, 552957), (171, 378339), (247, 261927), (267, 242307), (327, 197847), (351, 184319), (513, 126113), (741, 87309), (801, 80769), (981, 65949), (1157, 55917), (1417, 45657), (1691, 38259), (2071, 31239), (2223, 29103), (2403, 26923), (2943, 21983), (3471, 18639), (4251, 15219), (5073, 12753), (6213, 10413), (6669, 9701)]