1630605897

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{19991}}^1$

素因数の和:20075

約数の個数: 40

約数和(自身を含む): 2612554560

約数和(自身を除く): 981948663

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 477, 513, 1007, 1431, 1539, 3021, 4293, 9063, 19991, 27189, 59973, 81567, 179919, 379829, 539757, 1059523, 1139487, 1619271, 3178569, 3418461, 9535707, 10255383, 20130937, 28607121, 30766149, 60392811, 85821363, 181178433, 543535299, 1630605897]

約数ペア:

[(1, 1630605897), (3, 543535299), (9, 181178433), (19, 85821363), (27, 60392811), (53, 30766149), (57, 28607121), (81, 20130937), (159, 10255383), (171, 9535707), (477, 3418461), (513, 3178569), (1007, 1619271), (1431, 1139487), (1539, 1059523), (3021, 539757), (4293, 379829), (9063, 179919), (19991, 81567), (27189, 59973)]