28373895

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 56351568

約数和(自身を除く): 27977673

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 165, 193, 243, 297, 363, 405, 495, 579, 605, 891, 965, 1089, 1215, 1485, 1737, 1815, 2123, 2673, 2895, 3267, 4455, 5211, 5445, 6369, 8685, 9801, 10615, 13365, 15633, 16335, 19107, 23353, 26055, 29403, 31845, 46899, 49005, 57321, 70059, 78165, 95535, 116765, 147015, 171963, 210177, 234495, 286605, 350295, 515889, 630531, 859815, 1050885, 1891593, 2579445, 3152655, 5674779, 9457965, 28373895]

約数ペア:

[(1, 28373895), (3, 9457965), (5, 5674779), (9, 3152655), (11, 2579445), (15, 1891593), (27, 1050885), (33, 859815), (45, 630531), (55, 515889), (81, 350295), (99, 286605), (121, 234495), (135, 210177), (165, 171963), (193, 147015), (243, 116765), (297, 95535), (363, 78165), (405, 70059), (495, 57321), (579, 49005), (605, 46899), (891, 31845), (965, 29403), (1089, 26055), (1215, 23353), (1485, 19107), (1737, 16335), (1815, 15633), (2123, 13365), (2673, 10615), (2895, 9801), (3267, 8685), (4455, 6369), (5211, 5445)]