72406929

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 117504000

約数和(自身を除く): 45097071

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1691, 1869, 2039, 5073, 6117, 11837, 14273, 35511, 38741, 42819, 116223, 181471, 271187, 544413, 813561, 1270297, 3447949, 3810891, 10343847, 24135643, 72406929]

約数ペア:

[(1, 72406929), (3, 24135643), (7, 10343847), (19, 3810891), (21, 3447949), (57, 1270297), (89, 813561), (133, 544413), (267, 271187), (399, 181471), (623, 116223), (1691, 42819), (1869, 38741), (2039, 35511), (5073, 14273), (6117, 11837)]