198211185

素因数分解:

$3^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4721}}^1$

素因数の和:5046

約数の個数: 32

約数和(自身を含む): 353583360

約数和(自身を除く): 155372175

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 311, 933, 1555, 2799, 4665, 4721, 8397, 13995, 14163, 23605, 41985, 42489, 70815, 127467, 212445, 637335, 1468231, 4404693, 7341155, 13214079, 22023465, 39642237, 66070395, 198211185]

約数ペア:

[(1, 198211185), (3, 66070395), (5, 39642237), (9, 22023465), (15, 13214079), (27, 7341155), (45, 4404693), (135, 1468231), (311, 637335), (933, 212445), (1555, 127467), (2799, 70815), (4665, 42489), (4721, 41985), (8397, 23605), (13995, 14163)]