81540543

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 130286592

約数和(自身を除く): 48746049

約数列:

[1, 3, 7, 21, 23, 69, 161, 401, 421, 483, 1203, 1263, 2807, 2947, 8421, 8841, 9223, 9683, 27669, 29049, 64561, 67781, 168821, 193683, 203343, 506463, 1181747, 3545241, 3882883, 11648649, 27180181, 81540543]

約数ペア:

[(1, 81540543), (3, 27180181), (7, 11648649), (21, 3882883), (23, 3545241), (69, 1181747), (161, 506463), (401, 203343), (421, 193683), (483, 168821), (1203, 67781), (1263, 64561), (2807, 29049), (2947, 27669), (8421, 9683), (8841, 9223)]