207976755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1804

約数の個数: 64

約数和(自身を含む): 407116800

約数和(自身を除く): 199140045

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 183, 285, 305, 399, 427, 665, 915, 1159, 1281, 1709, 1995, 2135, 3477, 5127, 5795, 6405, 8113, 8545, 11963, 17385, 24339, 25635, 32471, 35889, 40565, 59815, 97413, 104249, 121695, 162355, 179445, 227297, 312747, 487065, 521245, 681891, 729743, 1136485, 1563735, 1980731, 2189229, 3409455, 3648715, 5942193, 9903655, 10946145, 13865117, 29710965, 41595351, 69325585, 207976755]

約数ペア:

[(1, 207976755), (3, 69325585), (5, 41595351), (7, 29710965), (15, 13865117), (19, 10946145), (21, 9903655), (35, 5942193), (57, 3648715), (61, 3409455), (95, 2189229), (105, 1980731), (133, 1563735), (183, 1136485), (285, 729743), (305, 681891), (399, 521245), (427, 487065), (665, 312747), (915, 227297), (1159, 179445), (1281, 162355), (1709, 121695), (1995, 104249), (2135, 97413), (3477, 59815), (5127, 40565), (5795, 35889), (6405, 32471), (8113, 25635), (8545, 24339), (11963, 17385)]