278027235

素因数分解:

$3^5\times 5^1\times {\mathrm{228829}}^1$

素因数の和:228849

約数の個数: 24

約数和(自身を含む): 499764720

約数和(自身を除く): 221737485

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 228829, 686487, 1144145, 2059461, 3432435, 6178383, 10297305, 18535149, 30891915, 55605447, 92675745, 278027235]

約数ペア:

[(1, 278027235), (3, 92675745), (5, 55605447), (9, 30891915), (15, 18535149), (27, 10297305), (45, 6178383), (81, 3432435), (135, 2059461), (243, 1144145), (405, 686487), (1215, 228829)]