78427818

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{207481}}^1$

素因数の和:207499

約数の個数: 32

約数和(自身を含む): 199182720

約数和(自身を除く): 120754902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 207481, 414962, 622443, 1244886, 1452367, 1867329, 2904734, 3734658, 4357101, 5601987, 8714202, 11203974, 13071303, 26142606, 39213909, 78427818]

約数ペア:

[(1, 78427818), (2, 39213909), (3, 26142606), (6, 13071303), (7, 11203974), (9, 8714202), (14, 5601987), (18, 4357101), (21, 3734658), (27, 2904734), (42, 1867329), (54, 1452367), (63, 1244886), (126, 622443), (189, 414962), (378, 207481)]