215024103

素因数分解:

$3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{3559}}^1$

素因数の和:3716

約数の個数: 36

約数和(自身を含む): 364038480

約数和(自身を除く): 149014377

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 411, 441, 959, 1233, 2877, 3559, 6713, 8631, 10677, 20139, 24913, 32031, 60417, 74739, 174391, 224217, 487583, 523173, 1462749, 1569519, 3413081, 4388247, 10239243, 23891567, 30717729, 71674701, 215024103]

約数ペア:

[(1, 215024103), (3, 71674701), (7, 30717729), (9, 23891567), (21, 10239243), (49, 4388247), (63, 3413081), (137, 1569519), (147, 1462749), (411, 523173), (441, 487583), (959, 224217), (1233, 174391), (2877, 74739), (3559, 60417), (6713, 32031), (8631, 24913), (10677, 20139)]