199440189

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 318427200

約数和(自身を除く): 118987011

約数列:

[1, 3, 9, 13, 39, 89, 107, 117, 179, 267, 321, 537, 801, 963, 1157, 1391, 1611, 2327, 3471, 4173, 6981, 9523, 10413, 12519, 15931, 19153, 20943, 28569, 47793, 57459, 85707, 123799, 143379, 172377, 207103, 248989, 371397, 621309, 746967, 1114191, 1704617, 1863927, 2240901, 5113851, 15341553, 22160021, 66480063, 199440189]

約数ペア:

[(1, 199440189), (3, 66480063), (9, 22160021), (13, 15341553), (39, 5113851), (89, 2240901), (107, 1863927), (117, 1704617), (179, 1114191), (267, 746967), (321, 621309), (537, 371397), (801, 248989), (963, 207103), (1157, 172377), (1391, 143379), (1611, 123799), (2327, 85707), (3471, 57459), (4173, 47793), (6981, 28569), (9523, 20943), (10413, 19153), (12519, 15931)]