156905847

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{40829}}^1$

素因数の和:40903

約数の個数: 24

約数和(自身を含む): 263271840

約数和(自身を除く): 106365993

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 40829, 122487, 285803, 367461, 857409, 2490569, 2572227, 7471707, 17433983, 22415121, 52301949, 156905847]

約数ペア:

[(1, 156905847), (3, 52301949), (7, 22415121), (9, 17433983), (21, 7471707), (61, 2572227), (63, 2490569), (183, 857409), (427, 367461), (549, 285803), (1281, 122487), (3843, 40829)]