263157843

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 395022336

約数和(自身を除く): 131864493

約数列:

[1, 3, 13, 39, 61, 67, 127, 169, 183, 201, 381, 507, 793, 871, 1651, 2379, 2613, 4087, 4953, 7747, 8509, 10309, 11323, 12261, 21463, 23241, 25527, 30927, 33969, 53131, 64389, 100711, 110617, 159393, 302133, 331851, 519049, 690703, 1309243, 1438021, 1557147, 2072109, 3927729, 4314063, 6747637, 20242911, 87719281, 263157843]

約数ペア:

[(1, 263157843), (3, 87719281), (13, 20242911), (39, 6747637), (61, 4314063), (67, 3927729), (127, 2072109), (169, 1557147), (183, 1438021), (201, 1309243), (381, 690703), (507, 519049), (793, 331851), (871, 302133), (1651, 159393), (2379, 110617), (2613, 100711), (4087, 64389), (4953, 53131), (7747, 33969), (8509, 30927), (10309, 25527), (11323, 23241), (12261, 21463)]