20151855198729

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{6781}}^1\times {\mathrm{2103193}}^1$

素因数の和:2110137

約数の個数: 24

約数和(自身を含む): 29297971948232

約数和(自身を除く): 9146116749503

約数列:

[1, 3, 9, 157, 471, 1413, 6781, 20343, 61029, 1064617, 2103193, 3193851, 6309579, 9581553, 18928737, 330201301, 990603903, 2971811709, 14261751733, 42785255199, 128355765597, 2239095022081, 6717285066243, 20151855198729]

約数ペア:

[(1, 20151855198729), (3, 6717285066243), (9, 2239095022081), (157, 128355765597), (471, 42785255199), (1413, 14261751733), (6781, 2971811709), (20343, 990603903), (61029, 330201301), (1064617, 18928737), (2103193, 9581553), (3193851, 6309579)]