81803915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{5563}}^1$

素因数の和:5758

約数の個数: 16

約数和(自身を含む): 104558688

約数和(自身を除く): 22754773

約数列:

[1, 5, 17, 85, 173, 865, 2941, 5563, 14705, 27815, 94571, 472855, 962399, 4811995, 16360783, 81803915]

約数ペア:

[(1, 81803915), (5, 16360783), (17, 4811995), (85, 962399), (173, 472855), (865, 94571), (2941, 27815), (5563, 14705)]