90478431

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 144086880

約数和(自身を除く): 53608449

約数列:

[1, 3, 9, 27, 37, 41, 47, 111, 123, 141, 333, 369, 423, 999, 1107, 1269, 1517, 1739, 1927, 2209, 4551, 5217, 5781, 6627, 13653, 15651, 17343, 19881, 40959, 46953, 52029, 59643, 71299, 81733, 90569, 213897, 245199, 271707, 641691, 735597, 815121, 1925073, 2206791, 2445363, 3351053, 10053159, 30159477, 90478431]

約数ペア:

[(1, 90478431), (3, 30159477), (9, 10053159), (27, 3351053), (37, 2445363), (41, 2206791), (47, 1925073), (111, 815121), (123, 735597), (141, 641691), (333, 271707), (369, 245199), (423, 213897), (999, 90569), (1107, 81733), (1269, 71299), (1517, 59643), (1739, 52029), (1927, 46953), (2209, 40959), (4551, 19881), (5217, 17343), (5781, 15651), (6627, 13653)]