42902847

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 36

約数和(自身を含む): 68267784

約数和(自身を除く): 25364937

約数列:

[1, 3, 9, 13, 39, 67, 117, 169, 201, 421, 507, 603, 871, 1263, 1521, 2613, 3789, 5473, 7839, 11323, 16419, 28207, 33969, 49257, 71149, 84621, 101907, 213447, 253863, 366691, 640341, 1100073, 3300219, 4766983, 14300949, 42902847]

約数ペア:

[(1, 42902847), (3, 14300949), (9, 4766983), (13, 3300219), (39, 1100073), (67, 640341), (117, 366691), (169, 253863), (201, 213447), (421, 101907), (507, 84621), (603, 71149), (871, 49257), (1263, 33969), (1521, 28207), (2613, 16419), (3789, 11323), (5473, 7839)]