65681421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 100654848

約数和(自身を除く): 34973427

約数列:

[1, 3, 13, 17, 39, 51, 157, 221, 471, 631, 663, 1893, 2041, 2669, 6123, 8007, 8203, 10727, 24609, 32181, 34697, 99067, 104091, 139451, 297201, 418353, 1287871, 1684139, 3863613, 5052417, 21893807, 65681421]

約数ペア:

[(1, 65681421), (3, 21893807), (13, 5052417), (17, 3863613), (39, 1684139), (51, 1287871), (157, 418353), (221, 297201), (471, 139451), (631, 104091), (663, 99067), (1893, 34697), (2041, 32181), (2669, 24609), (6123, 10727), (8007, 8203)]