81638595

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 145847520

約数和(自身を除く): 64208925

約数列:

[1, 3, 5, 9, 15, 45, 59, 97, 177, 291, 295, 317, 485, 531, 873, 885, 951, 1455, 1585, 2655, 2853, 4365, 4755, 5723, 14265, 17169, 18703, 28615, 30749, 51507, 56109, 85845, 92247, 93515, 153745, 168327, 257535, 276741, 280545, 461235, 841635, 1383705, 1814191, 5442573, 9070955, 16327719, 27212865, 81638595]

約数ペア:

[(1, 81638595), (3, 27212865), (5, 16327719), (9, 9070955), (15, 5442573), (45, 1814191), (59, 1383705), (97, 841635), (177, 461235), (291, 280545), (295, 276741), (317, 257535), (485, 168327), (531, 153745), (873, 93515), (885, 92247), (951, 85845), (1455, 56109), (1585, 51507), (2655, 30749), (2853, 28615), (4365, 18703), (4755, 17169), (5723, 14265)]