222720921

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{19501}}^1$

素因数の和:19563

約数の個数: 24

約数和(自身を含む): 340738944

約数和(自身を除く): 118018023

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 3807, 11421, 19501, 58503, 175509, 526527, 916547, 1579581, 2749641, 4738743, 8248923, 24746769, 74240307, 222720921]

約数ペア:

[(1, 222720921), (3, 74240307), (9, 24746769), (27, 8248923), (47, 4738743), (81, 2749641), (141, 1579581), (243, 916547), (423, 526527), (1269, 175509), (3807, 58503), (11421, 19501)]