281931441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1627}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 421977600

約数和(自身を除く): 140046159

約数列:

[1, 3, 11, 33, 59, 89, 177, 267, 649, 979, 1627, 1947, 2937, 4881, 5251, 15753, 17897, 53691, 57761, 95993, 144803, 173283, 287979, 434409, 1055923, 1592833, 3167769, 4778499, 8543377, 25630131, 93977147, 281931441]

約数ペア:

[(1, 281931441), (3, 93977147), (11, 25630131), (33, 8543377), (59, 4778499), (89, 3167769), (177, 1592833), (267, 1055923), (649, 434409), (979, 287979), (1627, 173283), (1947, 144803), (2937, 95993), (4881, 57761), (5251, 53691), (15753, 17897)]