81446778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{646403}}^1$

素因数の和:646418

約数の個数: 24

約数和(自身を含む): 201678048

約数和(自身を除く): 120231270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 646403, 1292806, 1939209, 3878418, 4524821, 5817627, 9049642, 11635254, 13574463, 27148926, 40723389, 81446778]

約数ペア:

[(1, 81446778), (2, 40723389), (3, 27148926), (6, 13574463), (7, 11635254), (9, 9049642), (14, 5817627), (18, 4524821), (21, 3878418), (42, 1939209), (63, 1292806), (126, 646403)]