30930081

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 23905119

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 67, 89, 91, 133, 201, 247, 267, 273, 399, 469, 623, 741, 871, 1157, 1273, 1407, 1691, 1729, 1869, 2613, 3471, 3819, 5073, 5187, 5963, 6097, 8099, 8911, 11837, 16549, 17889, 18291, 21983, 24297, 26733, 35511, 41741, 49647, 65949, 77519, 113297, 115843, 125223, 153881, 232557, 339891, 347529, 461643, 542633, 793079, 1472861, 1627899, 2379237, 4418583, 10310027, 30930081]

約数ペア:

[(1, 30930081), (3, 10310027), (7, 4418583), (13, 2379237), (19, 1627899), (21, 1472861), (39, 793079), (57, 542633), (67, 461643), (89, 347529), (91, 339891), (133, 232557), (201, 153881), (247, 125223), (267, 115843), (273, 113297), (399, 77519), (469, 65949), (623, 49647), (741, 41741), (871, 35511), (1157, 26733), (1273, 24297), (1407, 21983), (1691, 18291), (1729, 17889), (1869, 16549), (2613, 11837), (3471, 8911), (3819, 8099), (5073, 6097), (5187, 5963)]