28970055

素因数分解:

$3^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 52324272

約数和(自身を除く): 23354217

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 233, 307, 405, 699, 921, 1165, 1535, 2097, 2763, 3495, 4605, 6291, 8289, 10485, 13815, 18873, 24867, 31455, 41445, 71531, 94365, 124335, 214593, 357655, 643779, 1072965, 1931337, 3218895, 5794011, 9656685, 28970055]

約数ペア:

[(1, 28970055), (3, 9656685), (5, 5794011), (9, 3218895), (15, 1931337), (27, 1072965), (45, 643779), (81, 357655), (135, 214593), (233, 124335), (307, 94365), (405, 71531), (699, 41445), (921, 31455), (1165, 24867), (1535, 18873), (2097, 13815), (2763, 10485), (3495, 8289), (4605, 6291)]