7157241

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 13172544

約数和(自身を除く): 6015303

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 971, 1053, 2457, 2913, 6797, 7371, 8739, 12623, 20391, 26217, 37869, 61173, 78651, 88361, 113607, 183519, 265083, 340821, 550557, 795249, 1022463, 2385747, 7157241]

約数ペア:

[(1, 7157241), (3, 2385747), (7, 1022463), (9, 795249), (13, 550557), (21, 340821), (27, 265083), (39, 183519), (63, 113607), (81, 88361), (91, 78651), (117, 61173), (189, 37869), (273, 26217), (351, 20391), (567, 12623), (819, 8739), (971, 7371), (1053, 6797), (2457, 2913)]