201818385

素因数分解:

$3^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{911}}^1$

素因数の和:1475

約数の個数: 40

約数和(自身を含む): 362837376

約数和(自身を除く): 161018991

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 547, 911, 1641, 2733, 2735, 4555, 4923, 8199, 8205, 13665, 14769, 24597, 24615, 40995, 44307, 73791, 73845, 122985, 221535, 368955, 498317, 1494951, 2491585, 4484853, 7474755, 13454559, 22424265, 40363677, 67272795, 201818385]

約数ペア:

[(1, 201818385), (3, 67272795), (5, 40363677), (9, 22424265), (15, 13454559), (27, 7474755), (45, 4484853), (81, 2491585), (135, 1494951), (405, 498317), (547, 368955), (911, 221535), (1641, 122985), (2733, 73845), (2735, 73791), (4555, 44307), (4923, 40995), (8199, 24615), (8205, 24597), (13665, 14769)]