681049677

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{421181}}^1$

素因数の和:421209

約数の個数: 24

約数和(自身を含む): 1152353952

約数和(自身を除く): 471304275

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 421181, 1263543, 2948267, 4632991, 8844801, 13898973, 20637869, 32430937, 61913607, 97292811, 227016559, 681049677]

約数ペア:

[(1, 681049677), (3, 227016559), (7, 97292811), (11, 61913607), (21, 32430937), (33, 20637869), (49, 13898973), (77, 8844801), (147, 4632991), (231, 2948267), (539, 1263543), (1617, 421181)]