25407213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 12525843

約数列:

[1, 3, 13, 39, 47, 83, 141, 167, 249, 501, 611, 1079, 1833, 2171, 3237, 3901, 6513, 7849, 11703, 13861, 23547, 41583, 50713, 102037, 152139, 180193, 306111, 540579, 651467, 1954401, 8469071, 25407213]

約数ペア:

[(1, 25407213), (3, 8469071), (13, 1954401), (39, 651467), (47, 540579), (83, 306111), (141, 180193), (167, 152139), (249, 102037), (501, 50713), (611, 41583), (1079, 23547), (1833, 13861), (2171, 11703), (3237, 7849), (3901, 6513)]