155689521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 230189568

約数和(自身を除く): 74500047

約数列:

[1, 3, 13, 39, 47, 141, 157, 471, 541, 611, 1623, 1833, 2041, 6123, 7033, 7379, 21099, 22137, 25427, 76281, 84937, 95927, 254811, 287781, 330551, 991653, 1104181, 3312543, 3992039, 11976117, 51896507, 155689521]

約数ペア:

[(1, 155689521), (3, 51896507), (13, 11976117), (39, 3992039), (47, 3312543), (141, 1104181), (157, 991653), (471, 330551), (541, 287781), (611, 254811), (1623, 95927), (1833, 84937), (2041, 76281), (6123, 25427), (7033, 22137), (7379, 21099)]