20171801139

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{21121}}^1$

素因数の和:21300

約数の個数: 48

約数和(自身を含む): 32073334560

約数和(自身を除く): 11901533421

約数列:

[1, 3, 7, 21, 49, 73, 89, 147, 219, 267, 511, 623, 1533, 1869, 3577, 4361, 6497, 10731, 13083, 19491, 21121, 45479, 63363, 136437, 147847, 318353, 443541, 955059, 1034929, 1541833, 1879769, 3104787, 4625499, 5639307, 10792831, 13158383, 32378493, 39475149, 75549817, 92108681, 137223137, 226649451, 276326043, 411669411, 960561959, 2881685877, 6723933713, 20171801139]

約数ペア:

[(1, 20171801139), (3, 6723933713), (7, 2881685877), (21, 960561959), (49, 411669411), (73, 276326043), (89, 226649451), (147, 137223137), (219, 92108681), (267, 75549817), (511, 39475149), (623, 32378493), (1533, 13158383), (1869, 10792831), (3577, 5639307), (4361, 4625499), (6497, 3104787), (10731, 1879769), (13083, 1541833), (19491, 1034929), (21121, 955059), (45479, 443541), (63363, 318353), (136437, 147847)]