13198665

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 22404096

約数和(自身を除く): 9205431

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 571, 1005, 1541, 1713, 2855, 4623, 7705, 8565, 13133, 23115, 38257, 39399, 65665, 114771, 191285, 196995, 573855, 879911, 2639733, 4399555, 13198665]

約数ペア:

[(1, 13198665), (3, 4399555), (5, 2639733), (15, 879911), (23, 573855), (67, 196995), (69, 191285), (115, 114771), (201, 65665), (335, 39399), (345, 38257), (571, 23115), (1005, 13133), (1541, 8565), (1713, 7705), (2855, 4623)]