30905874

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2772

約数の個数: 40

約数和(自身を含む): 70253568

約数和(自身を除く): 39347694

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 2687, 3834, 5374, 5751, 8061, 11502, 16122, 24183, 48366, 72549, 145098, 190777, 217647, 381554, 435294, 572331, 1144662, 1716993, 3433986, 5150979, 10301958, 15452937, 30905874]

約数ペア:

[(1, 30905874), (2, 15452937), (3, 10301958), (6, 5150979), (9, 3433986), (18, 1716993), (27, 1144662), (54, 572331), (71, 435294), (81, 381554), (142, 217647), (162, 190777), (213, 145098), (426, 72549), (639, 48366), (1278, 24183), (1917, 16122), (2687, 11502), (3834, 8061), (5374, 5751)]