207222705

素因数分解:

$3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5749}}^1$

素因数の和:5855

約数の個数: 40

約数和(自身を含む): 375705000

約数和(自身を除く): 168482295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 89, 135, 267, 405, 445, 801, 1335, 2403, 4005, 5749, 7209, 12015, 17247, 28745, 36045, 51741, 86235, 155223, 258705, 465669, 511661, 776115, 1534983, 2328345, 2558305, 4604949, 7674915, 13814847, 23024745, 41444541, 69074235, 207222705]

約数ペア:

[(1, 207222705), (3, 69074235), (5, 41444541), (9, 23024745), (15, 13814847), (27, 7674915), (45, 4604949), (81, 2558305), (89, 2328345), (135, 1534983), (267, 776115), (405, 511661), (445, 465669), (801, 258705), (1335, 155223), (2403, 86235), (4005, 51741), (5749, 36045), (7209, 28745), (12015, 17247)]