209133045

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{653}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 396669312

約数和(自身を除く): 187536267

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 647, 653, 1941, 1959, 3235, 3265, 5823, 5877, 7117, 7183, 9705, 9795, 21351, 21549, 29115, 29385, 35585, 35915, 64053, 64647, 106755, 107745, 320265, 323235, 422491, 1267473, 2112455, 3802419, 4647401, 6337365, 13942203, 19012095, 23237005, 41826609, 69711015, 209133045]

約数ペア:

[(1, 209133045), (3, 69711015), (5, 41826609), (9, 23237005), (11, 19012095), (15, 13942203), (33, 6337365), (45, 4647401), (55, 3802419), (99, 2112455), (165, 1267473), (495, 422491), (647, 323235), (653, 320265), (1941, 107745), (1959, 106755), (3235, 64647), (3265, 64053), (5823, 35915), (5877, 35585), (7117, 29385), (7183, 29115), (9705, 21549), (9795, 21351)]