72866913

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 118091520

約数和(自身を除く): 45224607

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 401, 509, 1203, 1527, 2807, 3563, 6817, 8421, 8653, 10689, 20451, 25959, 47719, 60571, 143157, 181713, 204109, 612327, 1428763, 3469853, 4286289, 10409559, 24288971, 72866913]

約数ペア:

[(1, 72866913), (3, 24288971), (7, 10409559), (17, 4286289), (21, 3469853), (51, 1428763), (119, 612327), (357, 204109), (401, 181713), (509, 143157), (1203, 60571), (1527, 47719), (2807, 25959), (3563, 20451), (6817, 10689), (8421, 8653)]