1821987585

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{5689}}^1$

素因数の和:6358

約数の個数: 48

約数和(自身を含む): 3451144320

約数和(自身を除く): 1629156735

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 647, 1941, 3235, 5689, 5823, 7117, 9705, 17067, 21351, 28445, 29115, 35585, 51201, 62579, 64053, 85335, 106755, 187737, 256005, 312895, 320265, 563211, 938685, 2816055, 3680783, 11042349, 18403915, 33127047, 40488613, 55211745, 121465839, 165635235, 202443065, 364397517, 607329195, 1821987585]

約数ペア:

[(1, 1821987585), (3, 607329195), (5, 364397517), (9, 202443065), (11, 165635235), (15, 121465839), (33, 55211745), (45, 40488613), (55, 33127047), (99, 18403915), (165, 11042349), (495, 3680783), (647, 2816055), (1941, 938685), (3235, 563211), (5689, 320265), (5823, 312895), (7117, 256005), (9705, 187737), (17067, 106755), (21351, 85335), (28445, 64053), (29115, 62579), (35585, 51201)]