81400047

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 119159040

約数和(自身を除く): 37758993

約数列:

[1, 3, 19, 41, 57, 61, 123, 183, 571, 779, 1159, 1713, 2337, 2501, 3477, 7503, 10849, 23411, 32547, 34831, 47519, 70233, 104493, 142557, 444809, 661789, 1334427, 1428071, 1985367, 4284213, 27133349, 81400047]

約数ペア:

[(1, 81400047), (3, 27133349), (19, 4284213), (41, 1985367), (57, 1428071), (61, 1334427), (123, 661789), (183, 444809), (571, 142557), (779, 104493), (1159, 70233), (1713, 47519), (2337, 34831), (2501, 32547), (3477, 23411), (7503, 10849)]