16404549

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 26148864

約数和(自身を除く): 9744315

約数列:

[1, 3, 7, 21, 31, 93, 113, 217, 223, 339, 651, 669, 791, 1561, 2373, 3503, 4683, 6913, 10509, 20739, 24521, 25199, 48391, 73563, 75597, 145173, 176393, 529179, 781169, 2343507, 5468183, 16404549]

約数ペア:

[(1, 16404549), (3, 5468183), (7, 2343507), (21, 781169), (31, 529179), (93, 176393), (113, 145173), (217, 75597), (223, 73563), (339, 48391), (651, 25199), (669, 24521), (791, 20739), (1561, 10509), (2373, 6913), (3503, 4683)]