51381603

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 93533440

約数和(自身を除く): 42151837

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 819, 903, 1459, 1677, 2709, 3913, 4377, 5031, 10213, 11739, 13131, 18967, 30639, 35217, 56901, 62737, 91917, 132769, 170703, 188211, 398307, 439159, 564633, 815581, 1194921, 1317477, 2446743, 3952431, 5709067, 7340229, 17127201, 51381603]

約数ペア:

[(1, 51381603), (3, 17127201), (7, 7340229), (9, 5709067), (13, 3952431), (21, 2446743), (39, 1317477), (43, 1194921), (63, 815581), (91, 564633), (117, 439159), (129, 398307), (273, 188211), (301, 170703), (387, 132769), (559, 91917), (819, 62737), (903, 56901), (1459, 35217), (1677, 30639), (2709, 18967), (3913, 13131), (4377, 11739), (5031, 10213)]