217661895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6563}}^1$

素因数の和:6652

約数の個数: 48

約数和(自身を含む): 417785472

約数和(自身を除く): 200123577

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 67, 99, 165, 201, 335, 495, 603, 737, 1005, 2211, 3015, 3685, 6563, 6633, 11055, 19689, 32815, 33165, 59067, 72193, 98445, 216579, 295335, 360965, 439721, 649737, 1082895, 1319163, 2198605, 3248685, 3957489, 4836931, 6595815, 14510793, 19787445, 24184655, 43532379, 72553965, 217661895]

約数ペア:

[(1, 217661895), (3, 72553965), (5, 43532379), (9, 24184655), (11, 19787445), (15, 14510793), (33, 6595815), (45, 4836931), (55, 3957489), (67, 3248685), (99, 2198605), (165, 1319163), (201, 1082895), (335, 649737), (495, 439721), (603, 360965), (737, 295335), (1005, 216579), (2211, 98445), (3015, 72193), (3685, 59067), (6563, 33165), (6633, 32815), (11055, 19689)]