128511369

素因数分解:

$3^2\times 7^2\times {\mathrm{433}}^1\times {\mathrm{673}}^1$

素因数の和:1126

約数の個数: 36

約数和(自身を含む): 216754356

約数和(自身を除く): 88242987

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 433, 441, 673, 1299, 2019, 3031, 3897, 4711, 6057, 9093, 14133, 21217, 27279, 32977, 42399, 63651, 98931, 190953, 291409, 296793, 874227, 2039863, 2622681, 6119589, 14279041, 18358767, 42837123, 128511369]

約数ペア:

[(1, 128511369), (3, 42837123), (7, 18358767), (9, 14279041), (21, 6119589), (49, 2622681), (63, 2039863), (147, 874227), (433, 296793), (441, 291409), (673, 190953), (1299, 98931), (2019, 63651), (3031, 42399), (3897, 32977), (4711, 27279), (6057, 21217), (9093, 14133)]