24491817

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 45052800

約数和(自身を除く): 20560983

約数列:

[1, 3, 7, 9, 19, 21, 37, 49, 57, 63, 79, 111, 133, 147, 171, 237, 259, 333, 399, 441, 553, 703, 711, 777, 931, 1197, 1501, 1659, 1813, 2109, 2331, 2793, 2923, 3871, 4503, 4921, 4977, 5439, 6327, 8379, 8769, 10507, 11613, 13509, 14763, 16317, 20461, 26307, 31521, 34447, 34839, 44289, 55537, 61383, 73549, 94563, 103341, 143227, 166611, 184149, 220647, 310023, 388759, 429681, 499833, 661941, 1166277, 1289043, 2721313, 3498831, 8163939, 24491817]

約数ペア:

[(1, 24491817), (3, 8163939), (7, 3498831), (9, 2721313), (19, 1289043), (21, 1166277), (37, 661941), (49, 499833), (57, 429681), (63, 388759), (79, 310023), (111, 220647), (133, 184149), (147, 166611), (171, 143227), (237, 103341), (259, 94563), (333, 73549), (399, 61383), (441, 55537), (553, 44289), (703, 34839), (711, 34447), (777, 31521), (931, 26307), (1197, 20461), (1501, 16317), (1659, 14763), (1813, 13509), (2109, 11613), (2331, 10507), (2793, 8769), (2923, 8379), (3871, 6327), (4503, 5439), (4921, 4977)]