199322739

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2465

約数の個数: 72

約数和(自身を含む): 387015408

約数和(自身を除く): 187692669

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 147, 153, 187, 231, 357, 441, 539, 561, 693, 833, 1071, 1309, 1617, 1683, 2417, 2499, 3927, 4851, 7251, 7497, 9163, 11781, 16919, 21753, 26587, 27489, 41089, 50757, 79761, 82467, 118433, 123267, 152271, 186109, 239283, 287623, 355299, 369801, 451979, 558327, 862869, 1065897, 1302763, 1355937, 1674981, 2013361, 2588607, 3163853, 3908289, 4067811, 6040083, 9491559, 11724867, 18120249, 22146971, 28474677, 66440913, 199322739]

約数ペア:

[(1, 199322739), (3, 66440913), (7, 28474677), (9, 22146971), (11, 18120249), (17, 11724867), (21, 9491559), (33, 6040083), (49, 4067811), (51, 3908289), (63, 3163853), (77, 2588607), (99, 2013361), (119, 1674981), (147, 1355937), (153, 1302763), (187, 1065897), (231, 862869), (357, 558327), (441, 451979), (539, 369801), (561, 355299), (693, 287623), (833, 239283), (1071, 186109), (1309, 152271), (1617, 123267), (1683, 118433), (2417, 82467), (2499, 79761), (3927, 50757), (4851, 41089), (7251, 27489), (7497, 26587), (9163, 21753), (11781, 16919)]