172087539

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 254091264

約数和(自身を除く): 82003725

約数列:

[1, 3, 13, 39, 47, 141, 223, 421, 611, 669, 1263, 1833, 2899, 5473, 8697, 10481, 16419, 19787, 31443, 59361, 93883, 136253, 257231, 281649, 408759, 771693, 1220479, 3661437, 4412501, 13237503, 57362513, 172087539]

約数ペア:

[(1, 172087539), (3, 57362513), (13, 13237503), (39, 4412501), (47, 3661437), (141, 1220479), (223, 771693), (421, 408759), (611, 281649), (669, 257231), (1263, 136253), (1833, 93883), (2899, 59361), (5473, 31443), (8697, 19787), (10481, 16419)]