25997517

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3527}}^1$

素因数の和:3559

約数の個数: 40

約数和(自身を含む): 47811456

約数和(自身を除く): 21813939

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 3527, 7371, 10581, 24689, 31743, 45851, 74067, 95229, 137553, 222201, 285687, 320957, 412659, 666603, 962871, 1237977, 1999809, 2888613, 3713931, 8665839, 25997517]

約数ペア:

[(1, 25997517), (3, 8665839), (7, 3713931), (9, 2888613), (13, 1999809), (21, 1237977), (27, 962871), (39, 666603), (63, 412659), (81, 320957), (91, 285687), (117, 222201), (189, 137553), (273, 95229), (351, 74067), (567, 45851), (819, 31743), (1053, 24689), (2457, 10581), (3527, 7371)]