71946819

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2521}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 122670080

約数和(自身を除く): 50723261

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 1057, 1359, 2521, 3171, 4077, 7563, 9513, 17647, 22689, 28539, 52941, 68067, 158823, 380671, 476469, 1142013, 2664697, 3426039, 7994091, 10278117, 23982273, 71946819]

約数ペア:

[(1, 71946819), (3, 23982273), (7, 10278117), (9, 7994091), (21, 3426039), (27, 2664697), (63, 1142013), (151, 476469), (189, 380671), (453, 158823), (1057, 68067), (1359, 52941), (2521, 28539), (3171, 22689), (4077, 17647), (7563, 9513)]