655159743

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 1142301888

約数和(自身を除く): 487142145

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 73, 141, 147, 219, 329, 423, 433, 441, 511, 657, 987, 1299, 1533, 2303, 2961, 3031, 3431, 3577, 3897, 4599, 6909, 9093, 10293, 10731, 20351, 20727, 21217, 24017, 27279, 30879, 31609, 32193, 61053, 63651, 72051, 94827, 142457, 168119, 183159, 190953, 216153, 221263, 284481, 427371, 504357, 663789, 997199, 1282113, 1485623, 1513071, 1548841, 1991367, 2991597, 4456869, 4646523, 8974791, 10399361, 13370607, 13939569, 31198083, 72795527, 93594249, 218386581, 655159743]

約数ペア:

[(1, 655159743), (3, 218386581), (7, 93594249), (9, 72795527), (21, 31198083), (47, 13939569), (49, 13370607), (63, 10399361), (73, 8974791), (141, 4646523), (147, 4456869), (219, 2991597), (329, 1991367), (423, 1548841), (433, 1513071), (441, 1485623), (511, 1282113), (657, 997199), (987, 663789), (1299, 504357), (1533, 427371), (2303, 284481), (2961, 221263), (3031, 216153), (3431, 190953), (3577, 183159), (3897, 168119), (4599, 142457), (6909, 94827), (9093, 72051), (10293, 63651), (10731, 61053), (20351, 32193), (20727, 31609), (21217, 30879), (24017, 27279)]