42718221

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 77773696

約数和(自身を除く): 35055475

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 819, 903, 1213, 1677, 2709, 3639, 3913, 5031, 8491, 10917, 11739, 15769, 25473, 35217, 47307, 52159, 76419, 110383, 141921, 156477, 331149, 365113, 469431, 678067, 993447, 1095339, 2034201, 3286017, 4746469, 6102603, 14239407, 42718221]

約数ペア:

[(1, 42718221), (3, 14239407), (7, 6102603), (9, 4746469), (13, 3286017), (21, 2034201), (39, 1095339), (43, 993447), (63, 678067), (91, 469431), (117, 365113), (129, 331149), (273, 156477), (301, 141921), (387, 110383), (559, 76419), (819, 52159), (903, 47307), (1213, 35217), (1677, 25473), (2709, 15769), (3639, 11739), (3913, 10917), (5031, 8491)]