71780877

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3361}}^1$

素因数の和:3490

約数の個数: 32

約数和(自身を含む): 122645760

約数和(自身を除く): 50864883

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 1017, 2373, 3051, 3361, 7119, 10083, 21357, 23527, 30249, 70581, 90747, 211743, 379793, 635229, 1139379, 2658551, 3418137, 7975653, 10254411, 23926959, 71780877]

約数ペア:

[(1, 71780877), (3, 23926959), (7, 10254411), (9, 7975653), (21, 3418137), (27, 2658551), (63, 1139379), (113, 635229), (189, 379793), (339, 211743), (791, 90747), (1017, 70581), (2373, 30249), (3051, 23527), (3361, 21357), (7119, 10083)]