1340469

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 40

約数和(自身を含む): 2303840

約数和(自身を除く): 963371

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 67, 81, 117, 171, 201, 247, 351, 513, 603, 741, 871, 1053, 1273, 1539, 1809, 2223, 2613, 3819, 5427, 6669, 7839, 11457, 16549, 20007, 23517, 34371, 49647, 70551, 103113, 148941, 446823, 1340469]

約数ペア:

[(1, 1340469), (3, 446823), (9, 148941), (13, 103113), (19, 70551), (27, 49647), (39, 34371), (57, 23517), (67, 20007), (81, 16549), (117, 11457), (171, 7839), (201, 6669), (247, 5427), (351, 3819), (513, 2613), (603, 2223), (741, 1809), (871, 1539), (1053, 1273)]