1855917

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 3107520

約数和(自身を除く): 1251603

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 331, 623, 801, 993, 1869, 2317, 2979, 5607, 6951, 20853, 29459, 88377, 206213, 265131, 618639, 1855917]

約数ペア:

[(1, 1855917), (3, 618639), (7, 265131), (9, 206213), (21, 88377), (63, 29459), (89, 20853), (267, 6951), (331, 5607), (623, 2979), (801, 2317), (993, 1869)]