78438843

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{18583}}^1$

素因数の和:18663

約数の個数: 24

約数和(自身を含む): 131426048

約数和(自身を除く): 52987205

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 18583, 55749, 130081, 167247, 390243, 1170729, 1245061, 3735183, 8715427, 11205549, 26146281, 78438843]

約数ペア:

[(1, 78438843), (3, 26146281), (7, 11205549), (9, 8715427), (21, 3735183), (63, 1245061), (67, 1170729), (201, 390243), (469, 167247), (603, 130081), (1407, 55749), (4221, 18583)]