55991115

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 108933120

約数和(自身を除く): 52942005

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 459, 465, 527, 765, 787, 837, 1395, 1581, 2295, 2361, 2635, 3935, 4185, 4743, 7083, 7905, 11805, 13379, 14229, 21249, 23715, 24397, 35415, 40137, 66895, 71145, 73191, 106245, 120411, 121985, 200685, 219573, 361233, 365955, 414749, 602055, 658719, 1097865, 1244247, 1806165, 2073745, 3293595, 3732741, 6221235, 11198223, 18663705, 55991115]

約数ペア:

[(1, 55991115), (3, 18663705), (5, 11198223), (9, 6221235), (15, 3732741), (17, 3293595), (27, 2073745), (31, 1806165), (45, 1244247), (51, 1097865), (85, 658719), (93, 602055), (135, 414749), (153, 365955), (155, 361233), (255, 219573), (279, 200685), (459, 121985), (465, 120411), (527, 106245), (765, 73191), (787, 71145), (837, 66895), (1395, 40137), (1581, 35415), (2295, 24397), (2361, 23715), (2635, 21249), (3935, 14229), (4185, 13379), (4743, 11805), (7083, 7905)]