81417963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 122234112

約数和(自身を除く): 40816149

約数列:

[1, 3, 11, 33, 43, 129, 181, 317, 473, 543, 951, 1419, 1991, 3487, 5973, 7783, 10461, 13631, 23349, 40893, 57377, 85613, 149941, 172131, 256839, 449823, 631147, 1893441, 2467211, 7401633, 27139321, 81417963]

約数ペア:

[(1, 81417963), (3, 27139321), (11, 7401633), (33, 2467211), (43, 1893441), (129, 631147), (181, 449823), (317, 256839), (473, 172131), (543, 149941), (951, 85613), (1419, 57377), (1991, 40893), (3487, 23349), (5973, 13631), (7783, 10461)]