128575252821

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{2751391}}^1$

素因数の和:2751852

約数の個数: 16

約数和(自身を含む): 176485288448

約数和(自身を除く): 47910035627

約数列:

[1, 3, 37, 111, 421, 1263, 15577, 46731, 2751391, 8254173, 101801467, 305404401, 1158335611, 3475006833, 42858417607, 128575252821]

約数ペア:

[(1, 128575252821), (3, 42858417607), (37, 3475006833), (111, 1158335611), (421, 305404401), (1263, 101801467), (15577, 8254173), (46731, 2751391)]