201212235

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{212923}}^1$

素因数の和:212944

約数の個数: 32

約数和(自身を含む): 408814080

約数和(自身を除く): 207601845

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 212923, 638769, 1064615, 1490461, 1916307, 3193845, 4471383, 5748921, 7452305, 9581535, 13414149, 22356915, 28744605, 40242447, 67070745, 201212235]

約数ペア:

[(1, 201212235), (3, 67070745), (5, 40242447), (7, 28744605), (9, 22356915), (15, 13414149), (21, 9581535), (27, 7452305), (35, 5748921), (45, 4471383), (63, 3193845), (105, 1916307), (135, 1490461), (189, 1064615), (315, 638769), (945, 212923)]