13228215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 28449792

約数和(自身を除く): 15221577

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 881, 1001, 1155, 1365, 2145, 2643, 3003, 4405, 5005, 6167, 9691, 11453, 13215, 15015, 18501, 29073, 30835, 34359, 48455, 57265, 67837, 80171, 92505, 125983, 145365, 171795, 203511, 240513, 339185, 377949, 400855, 629915, 881881, 1017555, 1202565, 1889745, 2645643, 4409405, 13228215]

約数ペア:

[(1, 13228215), (3, 4409405), (5, 2645643), (7, 1889745), (11, 1202565), (13, 1017555), (15, 881881), (21, 629915), (33, 400855), (35, 377949), (39, 339185), (55, 240513), (65, 203511), (77, 171795), (91, 145365), (105, 125983), (143, 92505), (165, 80171), (195, 67837), (231, 57265), (273, 48455), (385, 34359), (429, 30835), (455, 29073), (715, 18501), (881, 15015), (1001, 13215), (1155, 11453), (1365, 9691), (2145, 6167), (2643, 5005), (3003, 4405)]