30687279

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1951}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 48066048

約数和(自身を除く): 17378769

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 1951, 2247, 5243, 5853, 13657, 15729, 40971, 95599, 208757, 286797, 626271, 1461299, 4383897, 10229093, 30687279]

約数ペア:

[(1, 30687279), (3, 10229093), (7, 4383897), (21, 1461299), (49, 626271), (107, 286797), (147, 208757), (321, 95599), (749, 40971), (1951, 15729), (2247, 13657), (5243, 5853)]