16647285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 28217088

約数和(自身を除く): 11569803

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 661, 1095, 1679, 1983, 3305, 5037, 8395, 9915, 15203, 25185, 45609, 48253, 76015, 144759, 228045, 241265, 723795, 1109819, 3329457, 5549095, 16647285]

約数ペア:

[(1, 16647285), (3, 5549095), (5, 3329457), (15, 1109819), (23, 723795), (69, 241265), (73, 228045), (115, 144759), (219, 76015), (345, 48253), (365, 45609), (661, 25185), (1095, 15203), (1679, 9915), (1983, 8395), (3305, 5037)]