28472055

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 49249824

約数和(自身を除く): 20777769

約数列:

[1, 3, 5, 15, 29, 37, 61, 87, 111, 145, 183, 185, 305, 435, 555, 841, 915, 1073, 1769, 2257, 2523, 3219, 4205, 5307, 5365, 6771, 8845, 11285, 12615, 16095, 26535, 31117, 33855, 51301, 65453, 93351, 153903, 155585, 196359, 256505, 327265, 466755, 769515, 981795, 1898137, 5694411, 9490685, 28472055]

約数ペア:

[(1, 28472055), (3, 9490685), (5, 5694411), (15, 1898137), (29, 981795), (37, 769515), (61, 466755), (87, 327265), (111, 256505), (145, 196359), (183, 155585), (185, 153903), (305, 93351), (435, 65453), (555, 51301), (841, 33855), (915, 31117), (1073, 26535), (1769, 16095), (2257, 12615), (2523, 11285), (3219, 8845), (4205, 6771), (5307, 5365)]