15904539

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 29286400

約数和(自身を除く): 13381861

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 57, 63, 103, 129, 133, 171, 189, 301, 309, 387, 399, 513, 721, 817, 903, 927, 1161, 1197, 1957, 2163, 2451, 2709, 2781, 3591, 4429, 5719, 5871, 6489, 7353, 8127, 13287, 13699, 17157, 17613, 19467, 22059, 31003, 39861, 41097, 51471, 52839, 84151, 93009, 119583, 123291, 154413, 252453, 279027, 369873, 589057, 757359, 837081, 1767171, 2272077, 5301513, 15904539]

約数ペア:

[(1, 15904539), (3, 5301513), (7, 2272077), (9, 1767171), (19, 837081), (21, 757359), (27, 589057), (43, 369873), (57, 279027), (63, 252453), (103, 154413), (129, 123291), (133, 119583), (171, 93009), (189, 84151), (301, 52839), (309, 51471), (387, 41097), (399, 39861), (513, 31003), (721, 22059), (817, 19467), (903, 17613), (927, 17157), (1161, 13699), (1197, 13287), (1957, 8127), (2163, 7353), (2451, 6489), (2709, 5871), (2781, 5719), (3591, 4429)]