205767915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 363056256

約数和(自身を除く): 157288341

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 113, 185, 193, 255, 339, 555, 565, 579, 629, 965, 1695, 1887, 1921, 2895, 3145, 3281, 4181, 5763, 7141, 9435, 9605, 9843, 12543, 16405, 20905, 21423, 21809, 28815, 35705, 49215, 62715, 65427, 71077, 107115, 109045, 121397, 213231, 327135, 355385, 364191, 370753, 606985, 806933, 1066155, 1112259, 1820955, 1853765, 2420799, 4034665, 5561295, 12103995, 13717861, 41153583, 68589305, 205767915]

約数ペア:

[(1, 205767915), (3, 68589305), (5, 41153583), (15, 13717861), (17, 12103995), (37, 5561295), (51, 4034665), (85, 2420799), (111, 1853765), (113, 1820955), (185, 1112259), (193, 1066155), (255, 806933), (339, 606985), (555, 370753), (565, 364191), (579, 355385), (629, 327135), (965, 213231), (1695, 121397), (1887, 109045), (1921, 107115), (2895, 71077), (3145, 65427), (3281, 62715), (4181, 49215), (5763, 35705), (7141, 28815), (9435, 21809), (9605, 21423), (9843, 20905), (12543, 16405)]