42649257

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{6173}}^1$

素因数の和:6237

約数の個数: 24

約数和(自身を含む): 67568256

約数和(自身を除く): 24918999

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6173, 6909, 18519, 43211, 129633, 290131, 302477, 870393, 907431, 2030917, 6092751, 14216419, 42649257]

約数ペア:

[(1, 42649257), (3, 14216419), (7, 6092751), (21, 2030917), (47, 907431), (49, 870393), (141, 302477), (147, 290131), (329, 129633), (987, 43211), (2303, 18519), (6173, 6909)]