197206971

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 290992128

約数和(自身を除く): 93785157

約数列:

[1, 3, 13, 39, 47, 141, 271, 397, 611, 813, 1191, 1833, 3523, 5161, 10569, 12737, 15483, 18659, 38211, 55977, 107587, 165581, 242567, 322761, 496743, 727701, 1398631, 4195893, 5056589, 15169767, 65735657, 197206971]

約数ペア:

[(1, 197206971), (3, 65735657), (13, 15169767), (39, 5056589), (47, 4195893), (141, 1398631), (271, 727701), (397, 496743), (611, 322761), (813, 242567), (1191, 165581), (1833, 107587), (3523, 55977), (5161, 38211), (10569, 18659), (12737, 15483)]