291280275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:874

約数の個数: 108

約数和(自身を含む): 618318064

約数和(自身を除く): 327037789

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 121, 143, 165, 195, 225, 275, 325, 363, 429, 495, 585, 605, 715, 823, 825, 975, 1089, 1287, 1573, 1815, 2145, 2469, 2475, 2925, 3025, 3575, 4115, 4719, 5445, 6435, 7407, 7865, 9053, 9075, 10699, 10725, 12345, 14157, 20575, 23595, 27159, 27225, 32097, 32175, 37035, 39325, 45265, 53495, 61725, 70785, 81477, 96291, 99583, 117689, 117975, 135795, 160485, 185175, 226325, 267475, 298749, 353067, 353925, 407385, 481455, 497915, 588445, 678975, 802425, 896247, 1059201, 1294579, 1493745, 1765335, 2036925, 2407275, 2489575, 2942225, 3883737, 4481235, 5296005, 6472895, 7468725, 8826675, 11651211, 19418685, 22406175, 26480025, 32364475, 58256055, 97093425, 291280275]

約数ペア:

[(1, 291280275), (3, 97093425), (5, 58256055), (9, 32364475), (11, 26480025), (13, 22406175), (15, 19418685), (25, 11651211), (33, 8826675), (39, 7468725), (45, 6472895), (55, 5296005), (65, 4481235), (75, 3883737), (99, 2942225), (117, 2489575), (121, 2407275), (143, 2036925), (165, 1765335), (195, 1493745), (225, 1294579), (275, 1059201), (325, 896247), (363, 802425), (429, 678975), (495, 588445), (585, 497915), (605, 481455), (715, 407385), (823, 353925), (825, 353067), (975, 298749), (1089, 267475), (1287, 226325), (1573, 185175), (1815, 160485), (2145, 135795), (2469, 117975), (2475, 117689), (2925, 99583), (3025, 96291), (3575, 81477), (4115, 70785), (4719, 61725), (5445, 53495), (6435, 45265), (7407, 39325), (7865, 37035), (9053, 32175), (9075, 32097), (10699, 27225), (10725, 27159), (12345, 23595), (14157, 20575)]