211718013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{1013}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 318898944

約数和(自身を除く): 107180931

約数列:

[1, 3, 13, 23, 39, 69, 233, 299, 699, 897, 1013, 3029, 3039, 5359, 9087, 13169, 16077, 23299, 39507, 69667, 69897, 209001, 236029, 302887, 708087, 908661, 3068377, 5428667, 9205131, 16286001, 70572671, 211718013]

約数ペア:

[(1, 211718013), (3, 70572671), (13, 16286001), (23, 9205131), (39, 5428667), (69, 3068377), (233, 908661), (299, 708087), (699, 302887), (897, 236029), (1013, 209001), (3029, 69897), (3039, 69667), (5359, 39507), (9087, 23299), (13169, 16077)]