56407755

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 99532800

約数和(自身を除く): 43125045

約数列:

[1, 3, 5, 15, 29, 31, 47, 87, 89, 93, 141, 145, 155, 235, 267, 435, 445, 465, 705, 899, 1335, 1363, 1457, 2581, 2697, 2759, 4089, 4183, 4371, 4495, 6815, 7285, 7743, 8277, 12549, 12905, 13485, 13795, 20445, 20915, 21855, 38715, 41385, 42253, 62745, 80011, 121307, 126759, 129673, 211265, 240033, 363921, 389019, 400055, 606535, 633795, 648365, 1200165, 1819605, 1945095, 3760517, 11281551, 18802585, 56407755]

約数ペア:

[(1, 56407755), (3, 18802585), (5, 11281551), (15, 3760517), (29, 1945095), (31, 1819605), (47, 1200165), (87, 648365), (89, 633795), (93, 606535), (141, 400055), (145, 389019), (155, 363921), (235, 240033), (267, 211265), (435, 129673), (445, 126759), (465, 121307), (705, 80011), (899, 62745), (1335, 42253), (1363, 41385), (1457, 38715), (2581, 21855), (2697, 20915), (2759, 20445), (4089, 13795), (4183, 13485), (4371, 12905), (4495, 12549), (6815, 8277), (7285, 7743)]