280684017

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{18443}}^1$

素因数の和:18557

約数の個数: 24

約数和(自身を含む): 431589600

約数和(自身を除く): 150905583

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1691, 5073, 15219, 18443, 55329, 165987, 350417, 1051251, 1641427, 3153753, 4924281, 14772843, 31187113, 93561339, 280684017]

約数ペア:

[(1, 280684017), (3, 93561339), (9, 31187113), (19, 14772843), (57, 4924281), (89, 3153753), (171, 1641427), (267, 1051251), (801, 350417), (1691, 165987), (5073, 55329), (15219, 18443)]