71653491

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9753

約数の個数: 40

約数和(自身を含む): 131752544

約数和(自身を除く): 60099053

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 9721, 29163, 68047, 87489, 126373, 204141, 262467, 379119, 612423, 787401, 884611, 1137357, 1837269, 2653833, 3412071, 5511807, 7961499, 10236213, 23884497, 71653491]

約数ペア:

[(1, 71653491), (3, 23884497), (7, 10236213), (9, 7961499), (13, 5511807), (21, 3412071), (27, 2653833), (39, 1837269), (63, 1137357), (81, 884611), (91, 787401), (117, 612423), (189, 379119), (273, 262467), (351, 204141), (567, 126373), (819, 87489), (1053, 68047), (2457, 29163), (7371, 9721)]