16887705

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 27848448

約数和(自身を除く): 10960743

約数列:

[1, 3, 5, 15, 71, 101, 157, 213, 303, 355, 471, 505, 785, 1065, 1515, 2355, 7171, 11147, 15857, 21513, 33441, 35855, 47571, 55735, 79285, 107565, 167205, 237855, 1125847, 3377541, 5629235, 16887705]

約数ペア:

[(1, 16887705), (3, 5629235), (5, 3377541), (15, 1125847), (71, 237855), (101, 167205), (157, 107565), (213, 79285), (303, 55735), (355, 47571), (471, 35855), (505, 33441), (785, 21513), (1065, 15857), (1515, 11147), (2355, 7171)]