13028319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 20150000

約数和(自身を除く): 7121681

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 1249, 3477, 3747, 10431, 11241, 23731, 71193, 76189, 213579, 228567, 685701, 1447591, 4342773, 13028319]

約数ペア:

[(1, 13028319), (3, 4342773), (9, 1447591), (19, 685701), (57, 228567), (61, 213579), (171, 76189), (183, 71193), (549, 23731), (1159, 11241), (1249, 10431), (3477, 3747)]