13320111

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 22179840

約数和(自身を除く): 8859729

約数列:

[1, 3, 7, 21, 31, 37, 49, 79, 93, 111, 147, 217, 237, 259, 553, 651, 777, 1147, 1519, 1659, 1813, 2449, 2923, 3441, 3871, 4557, 5439, 7347, 8029, 8769, 11613, 17143, 20461, 24087, 51429, 56203, 61383, 90613, 120001, 143227, 168609, 271839, 360003, 429681, 634291, 1902873, 4440037, 13320111]

約数ペア:

[(1, 13320111), (3, 4440037), (7, 1902873), (21, 634291), (31, 429681), (37, 360003), (49, 271839), (79, 168609), (93, 143227), (111, 120001), (147, 90613), (217, 61383), (237, 56203), (259, 51429), (553, 24087), (651, 20461), (777, 17143), (1147, 11613), (1519, 8769), (1659, 8029), (1813, 7347), (2449, 5439), (2923, 4557), (3441, 3871)]