199789425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 395197920

約数和(自身を除く): 195408495

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 89, 99, 165, 225, 267, 275, 445, 495, 801, 825, 907, 979, 1335, 2225, 2475, 2721, 2937, 4005, 4535, 4895, 6675, 8163, 8811, 9977, 13605, 14685, 20025, 22675, 24475, 29931, 40815, 44055, 49885, 68025, 73425, 80723, 89793, 149655, 204075, 220275, 242169, 249425, 403615, 448965, 726507, 748275, 887953, 1210845, 2018075, 2244825, 2663859, 3632535, 4439765, 6054225, 7991577, 13319295, 18162675, 22198825, 39957885, 66596475, 199789425]

約数ペア:

[(1, 199789425), (3, 66596475), (5, 39957885), (9, 22198825), (11, 18162675), (15, 13319295), (25, 7991577), (33, 6054225), (45, 4439765), (55, 3632535), (75, 2663859), (89, 2244825), (99, 2018075), (165, 1210845), (225, 887953), (267, 748275), (275, 726507), (445, 448965), (495, 403615), (801, 249425), (825, 242169), (907, 220275), (979, 204075), (1335, 149655), (2225, 89793), (2475, 80723), (2721, 73425), (2937, 68025), (4005, 49885), (4535, 44055), (4895, 40815), (6675, 29931), (8163, 24475), (8811, 22675), (9977, 20025), (13605, 14685)]