215577505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13109}}^1$

素因数の和:13161

約数の個数: 32

約数和(自身を含む): 317157120

約数和(自身を除く): 101579615

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 13109, 16445, 65545, 144199, 170417, 301507, 720995, 852085, 1507535, 1874587, 3316577, 3919591, 9372935, 16582885, 19597955, 43115501, 215577505]

約数ペア:

[(1, 215577505), (5, 43115501), (11, 19597955), (13, 16582885), (23, 9372935), (55, 3919591), (65, 3316577), (115, 1874587), (143, 1507535), (253, 852085), (299, 720995), (715, 301507), (1265, 170417), (1495, 144199), (3289, 65545), (13109, 16445)]