51107865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 91238400

約数和(自身を除く): 40130535

約数列:

[1, 3, 5, 15, 17, 43, 51, 59, 79, 85, 129, 177, 215, 237, 255, 295, 395, 645, 731, 885, 1003, 1185, 1343, 2193, 2537, 3009, 3397, 3655, 4029, 4661, 5015, 6715, 7611, 10191, 10965, 12685, 13983, 15045, 16985, 20145, 23305, 38055, 43129, 50955, 57749, 69915, 79237, 129387, 173247, 200423, 215645, 237711, 288745, 396185, 601269, 646935, 866235, 1002115, 1188555, 3006345, 3407191, 10221573, 17035955, 51107865]

約数ペア:

[(1, 51107865), (3, 17035955), (5, 10221573), (15, 3407191), (17, 3006345), (43, 1188555), (51, 1002115), (59, 866235), (79, 646935), (85, 601269), (129, 396185), (177, 288745), (215, 237711), (237, 215645), (255, 200423), (295, 173247), (395, 129387), (645, 79237), (731, 69915), (885, 57749), (1003, 50955), (1185, 43129), (1343, 38055), (2193, 23305), (2537, 20145), (3009, 16985), (3397, 15045), (3655, 13983), (4029, 12685), (4661, 10965), (5015, 10191), (6715, 7611)]