204498945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{216401}}^1$

素因数の和:216422

約数の個数: 32

約数和(自身を含む): 415491840

約数和(自身を除く): 210992895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 216401, 649203, 1082005, 1514807, 1947609, 3246015, 4544421, 5842827, 7574035, 9738045, 13633263, 22722105, 29214135, 40899789, 68166315, 204498945]

約数ペア:

[(1, 204498945), (3, 68166315), (5, 40899789), (7, 29214135), (9, 22722105), (15, 13633263), (21, 9738045), (27, 7574035), (35, 5842827), (45, 4544421), (63, 3246015), (105, 1947609), (135, 1514807), (189, 1082005), (315, 649203), (945, 216401)]