15887135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 22878720

約数和(自身を除く): 6991585

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 661, 1045, 1265, 2185, 3305, 4807, 7271, 12559, 15203, 24035, 36355, 62795, 76015, 138149, 167233, 288857, 690745, 836165, 1444285, 3177427, 15887135]

約数ペア:

[(1, 15887135), (5, 3177427), (11, 1444285), (19, 836165), (23, 690745), (55, 288857), (95, 167233), (115, 138149), (209, 76015), (253, 62795), (437, 36355), (661, 24035), (1045, 15203), (1265, 12559), (2185, 7271), (3305, 4807)]