30809205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2081}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 62360064

約数和(自身を除く): 31550859

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1645, 2081, 2115, 2961, 4935, 6243, 10405, 14567, 14805, 18729, 31215, 43701, 72835, 93645, 97807, 131103, 218505, 293421, 489035, 655515, 684649, 880263, 1467105, 2053947, 3423245, 4401315, 6161841, 10269735, 30809205]

約数ペア:

[(1, 30809205), (3, 10269735), (5, 6161841), (7, 4401315), (9, 3423245), (15, 2053947), (21, 1467105), (35, 880263), (45, 684649), (47, 655515), (63, 489035), (105, 293421), (141, 218505), (235, 131103), (315, 97807), (329, 93645), (423, 72835), (705, 43701), (987, 31215), (1645, 18729), (2081, 14805), (2115, 14567), (2961, 10405), (4935, 6243)]