188918247

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 298266624

約数和(自身を除く): 109348377

約数列:

[1, 3, 7, 21, 31, 93, 217, 521, 557, 651, 1563, 1671, 3647, 3899, 10941, 11697, 16151, 17267, 48453, 51801, 113057, 120869, 290197, 339171, 362607, 870591, 2031379, 6094137, 8996107, 26988321, 62972749, 188918247]

約数ペア:

[(1, 188918247), (3, 62972749), (7, 26988321), (21, 8996107), (31, 6094137), (93, 2031379), (217, 870591), (521, 362607), (557, 339171), (651, 290197), (1563, 120869), (1671, 113057), (3647, 51801), (3899, 48453), (10941, 17267), (11697, 16151)]