12197871

素因数分解:

$3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 21385728

約数和(自身を除く): 9187857

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 101, 189, 213, 243, 303, 497, 567, 639, 707, 909, 1491, 1701, 1917, 2121, 2727, 4473, 5751, 6363, 7171, 8181, 13419, 17253, 19089, 21513, 24543, 40257, 50197, 57267, 64539, 120771, 150591, 171801, 193617, 451773, 580851, 1355319, 1742553, 4065957, 12197871]

約数ペア:

[(1, 12197871), (3, 4065957), (7, 1742553), (9, 1355319), (21, 580851), (27, 451773), (63, 193617), (71, 171801), (81, 150591), (101, 120771), (189, 64539), (213, 57267), (243, 50197), (303, 40257), (497, 24543), (567, 21513), (639, 19089), (707, 17253), (909, 13419), (1491, 8181), (1701, 7171), (1917, 6363), (2121, 5751), (2727, 4473)]