291209068731

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{907}}^1\times {\mathrm{11087}}^1$

素因数の和:12208

約数の個数: 48

約数和(自身を含む): 454505458176

約数和(自身を除く): 163296389445

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 907, 1379, 2721, 4137, 6349, 9653, 11087, 19047, 28959, 33261, 44443, 77609, 133329, 178679, 232827, 536037, 543263, 1250753, 1629789, 2184139, 3752259, 6552417, 8755271, 10055909, 15288973, 26265813, 30167727, 45866919, 70391363, 107022811, 211174089, 321068433, 492739541, 1478218623, 1981014073, 5943042219, 13867098511, 41601295533, 97069689577, 291209068731]

約数ペア:

[(1, 291209068731), (3, 97069689577), (7, 41601295533), (21, 13867098511), (49, 5943042219), (147, 1981014073), (197, 1478218623), (591, 492739541), (907, 321068433), (1379, 211174089), (2721, 107022811), (4137, 70391363), (6349, 45866919), (9653, 30167727), (11087, 26265813), (19047, 15288973), (28959, 10055909), (33261, 8755271), (44443, 6552417), (77609, 3752259), (133329, 2184139), (178679, 1629789), (232827, 1250753), (536037, 543263)]