18189015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2579

約数の個数: 32

約数和(自身を含む): 32200896

約数和(自身を除く): 14011881

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 2521, 7215, 7563, 12605, 32773, 37815, 93277, 98319, 163865, 279831, 466385, 491595, 1212601, 1399155, 3637803, 6063005, 18189015]

約数ペア:

[(1, 18189015), (3, 6063005), (5, 3637803), (13, 1399155), (15, 1212601), (37, 491595), (39, 466385), (65, 279831), (111, 163865), (185, 98319), (195, 93277), (481, 37815), (555, 32773), (1443, 12605), (2405, 7563), (2521, 7215)]