28444845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 25987155

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 89, 143, 149, 165, 195, 267, 429, 445, 447, 715, 745, 979, 1157, 1335, 1639, 1937, 2145, 2235, 2937, 3471, 4895, 4917, 5785, 5811, 8195, 9685, 12727, 13261, 14685, 17355, 21307, 24585, 29055, 38181, 39783, 63635, 63921, 66305, 106535, 145871, 172393, 190905, 198915, 319605, 437613, 517179, 729355, 861965, 1896323, 2188065, 2585895, 5688969, 9481615, 28444845]

約数ペア:

[(1, 28444845), (3, 9481615), (5, 5688969), (11, 2585895), (13, 2188065), (15, 1896323), (33, 861965), (39, 729355), (55, 517179), (65, 437613), (89, 319605), (143, 198915), (149, 190905), (165, 172393), (195, 145871), (267, 106535), (429, 66305), (445, 63921), (447, 63635), (715, 39783), (745, 38181), (979, 29055), (1157, 24585), (1335, 21307), (1639, 17355), (1937, 14685), (2145, 13261), (2235, 12727), (2937, 9685), (3471, 8195), (4895, 5811), (4917, 5785)]