17748939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 27224064

約数和(自身を除く): 9475125

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 421, 611, 897, 1081, 1263, 1833, 3243, 5473, 9683, 14053, 16419, 19787, 29049, 42159, 59361, 125879, 257231, 377637, 455101, 771693, 1365303, 5916313, 17748939]

約数ペア:

[(1, 17748939), (3, 5916313), (13, 1365303), (23, 771693), (39, 455101), (47, 377637), (69, 257231), (141, 125879), (299, 59361), (421, 42159), (611, 29049), (897, 19787), (1081, 16419), (1263, 14053), (1833, 9683), (3243, 5473)]