72214821

素因数分解:

$3^4\times 7^1\times {\mathrm{127363}}^1$

素因数の和:127382

約数の個数: 20

約数和(自身を含む): 123288352

約数和(自身を除く): 51073531

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 127363, 382089, 891541, 1146267, 2674623, 3438801, 8023869, 10316403, 24071607, 72214821]

約数ペア:

[(1, 72214821), (3, 24071607), (7, 10316403), (9, 8023869), (21, 3438801), (27, 2674623), (63, 1146267), (81, 891541), (189, 382089), (567, 127363)]