81358590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{117911}}^1$

素因数の和:117944

約数の個数: 32

約数和(自身を含む): 203751936

約数和(自身を除く): 122393346

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 117911, 235822, 353733, 589555, 707466, 1179110, 1768665, 2711953, 3537330, 5423906, 8135859, 13559765, 16271718, 27119530, 40679295, 81358590]

約数ペア:

[(1, 81358590), (2, 40679295), (3, 27119530), (5, 16271718), (6, 13559765), (10, 8135859), (15, 5423906), (23, 3537330), (30, 2711953), (46, 1768665), (69, 1179110), (115, 707466), (138, 589555), (230, 353733), (345, 235822), (690, 117911)]