427845327

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1\times {\mathrm{1787}}^1$

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 703299072

約数和(自身を除く): 275453745

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 877, 1787, 2631, 5361, 6139, 11401, 12509, 18417, 23231, 34203, 37527, 69693, 79807, 162617, 239421, 487851, 1567199, 4701597, 10970393, 20373587, 32911179, 61120761, 142615109, 427845327]

約数ペア:

[(1, 427845327), (3, 142615109), (7, 61120761), (13, 32911179), (21, 20373587), (39, 10970393), (91, 4701597), (273, 1567199), (877, 487851), (1787, 239421), (2631, 162617), (5361, 79807), (6139, 69693), (11401, 37527), (12509, 34203), (18417, 23231)]