15873417

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 28080000

約数和(自身を除く): 12206583

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 89, 133, 149, 171, 267, 399, 447, 623, 801, 1043, 1197, 1341, 1691, 1869, 2831, 3129, 5073, 5607, 8493, 9387, 11837, 13261, 15219, 19817, 25479, 35511, 39783, 59451, 92827, 106533, 119349, 178353, 251959, 278481, 755877, 835443, 1763713, 2267631, 5291139, 15873417]

約数ペア:

[(1, 15873417), (3, 5291139), (7, 2267631), (9, 1763713), (19, 835443), (21, 755877), (57, 278481), (63, 251959), (89, 178353), (133, 119349), (149, 106533), (171, 92827), (267, 59451), (399, 39783), (447, 35511), (623, 25479), (801, 19817), (1043, 15219), (1197, 13261), (1341, 11837), (1691, 9387), (1869, 8493), (2831, 5607), (3129, 5073)]