72657921

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{48731}}^1$

素因数の和:48812

約数の個数: 16

約数和(自身を含む): 112278528

約数和(自身を除く): 39620607

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 48731, 146193, 341117, 1023351, 3459901, 10379703, 24219307, 72657921]

約数ペア:

[(1, 72657921), (3, 24219307), (7, 10379703), (21, 3459901), (71, 1023351), (213, 341117), (497, 146193), (1491, 48731)]