218761257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22171}}^1$

素因数の和:22221

約数の個数: 32

約数和(自身を含む): 357590016

約数和(自身を除く): 138828759

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 3289, 9867, 22171, 66513, 243881, 288223, 509933, 731643, 864669, 1529799, 3170453, 5609263, 6629129, 9511359, 16827789, 19887387, 72920419, 218761257]

約数ペア:

[(1, 218761257), (3, 72920419), (11, 19887387), (13, 16827789), (23, 9511359), (33, 6629129), (39, 5609263), (69, 3170453), (143, 1529799), (253, 864669), (299, 731643), (429, 509933), (759, 288223), (897, 243881), (3289, 66513), (9867, 22171)]