28051485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 28626915

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 149, 163, 165, 231, 385, 447, 489, 745, 815, 1043, 1141, 1155, 1639, 1793, 2235, 2445, 3129, 3423, 4917, 5215, 5379, 5705, 8195, 8965, 11473, 12551, 15645, 17115, 24287, 24585, 26895, 34419, 37653, 57365, 62755, 72861, 121435, 170009, 172095, 188265, 267157, 364305, 510027, 801471, 850045, 1335785, 1870099, 2550135, 4007355, 5610297, 9350495, 28051485]

約数ペア:

[(1, 28051485), (3, 9350495), (5, 5610297), (7, 4007355), (11, 2550135), (15, 1870099), (21, 1335785), (33, 850045), (35, 801471), (55, 510027), (77, 364305), (105, 267157), (149, 188265), (163, 172095), (165, 170009), (231, 121435), (385, 72861), (447, 62755), (489, 57365), (745, 37653), (815, 34419), (1043, 26895), (1141, 24585), (1155, 24287), (1639, 17115), (1793, 15645), (2235, 12551), (2445, 11473), (3129, 8965), (3423, 8195), (4917, 5705), (5215, 5379)]