2907807

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 4574592

約数和(自身を除く): 1666785

約数列:

[1, 3, 7, 21, 49, 131, 147, 151, 393, 453, 917, 1057, 2751, 3171, 6419, 7399, 19257, 19781, 22197, 59343, 138467, 415401, 969269, 2907807]

約数ペア:

[(1, 2907807), (3, 969269), (7, 415401), (21, 138467), (49, 59343), (131, 22197), (147, 19781), (151, 19257), (393, 7399), (453, 6419), (917, 3171), (1057, 2751)]