220741695

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{787}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 401236992

約数和(自身を除く): 180495297

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 271, 345, 787, 813, 1035, 1355, 2361, 2439, 3935, 4065, 6233, 7083, 11805, 12195, 18101, 18699, 31165, 35415, 54303, 56097, 90505, 93495, 162909, 213277, 271515, 280485, 639831, 814545, 1066385, 1919493, 3199155, 4905371, 9597465, 14716113, 24526855, 44148339, 73580565, 220741695]

約数ペア:

[(1, 220741695), (3, 73580565), (5, 44148339), (9, 24526855), (15, 14716113), (23, 9597465), (45, 4905371), (69, 3199155), (115, 1919493), (207, 1066385), (271, 814545), (345, 639831), (787, 280485), (813, 271515), (1035, 213277), (1355, 162909), (2361, 93495), (2439, 90505), (3935, 56097), (4065, 54303), (6233, 35415), (7083, 31165), (11805, 18699), (12195, 18101)]