8081289

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 40

約数和(自身を含む): 13068000

約数和(自身を除く): 4986711

約数列:

[1, 3, 9, 19, 27, 57, 59, 81, 89, 171, 177, 267, 513, 531, 801, 1121, 1539, 1593, 1691, 2403, 3363, 4779, 5073, 5251, 7209, 10089, 15219, 15753, 30267, 45657, 47259, 90801, 99769, 136971, 141777, 299307, 425331, 897921, 2693763, 8081289]

約数ペア:

[(1, 8081289), (3, 2693763), (9, 897921), (19, 425331), (27, 299307), (57, 141777), (59, 136971), (81, 99769), (89, 90801), (171, 47259), (177, 45657), (267, 30267), (513, 15753), (531, 15219), (801, 10089), (1121, 7209), (1539, 5251), (1593, 5073), (1691, 4779), (2403, 3363)]