74721129

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 126074880

約数和(自身を除く): 51353751

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 399, 589, 651, 863, 931, 1519, 1767, 2589, 2793, 4123, 4557, 6041, 12369, 16397, 18123, 26753, 28861, 42287, 49191, 80259, 86583, 114779, 126861, 187271, 344337, 508307, 561813, 803453, 1310897, 1524921, 2410359, 3558149, 3932691, 10674447, 24907043, 74721129]

約数ペア:

[(1, 74721129), (3, 24907043), (7, 10674447), (19, 3932691), (21, 3558149), (31, 2410359), (49, 1524921), (57, 1310897), (93, 803453), (133, 561813), (147, 508307), (217, 344337), (399, 187271), (589, 126861), (651, 114779), (863, 86583), (931, 80259), (1519, 49191), (1767, 42287), (2589, 28861), (2793, 26753), (4123, 18123), (4557, 16397), (6041, 12369)]