42455421

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{7823}}^1$

素因数の和:7902

約数の個数: 20

約数和(自身を含む): 64375872

約数和(自身を除く): 21920451

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 7823, 23469, 70407, 211221, 524141, 633663, 1572423, 4717269, 14151807, 42455421]

約数ペア:

[(1, 42455421), (3, 14151807), (9, 4717269), (27, 1572423), (67, 633663), (81, 524141), (201, 211221), (603, 70407), (1809, 23469), (5427, 7823)]