27744255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 65525760

約数和(自身を除く): 37781505

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 27, 33, 35, 45, 51, 55, 63, 77, 85, 99, 105, 119, 135, 153, 157, 165, 187, 189, 231, 255, 297, 315, 357, 385, 459, 471, 495, 561, 595, 693, 765, 785, 935, 945, 1071, 1099, 1155, 1309, 1413, 1485, 1683, 1727, 1785, 2079, 2295, 2355, 2669, 2805, 3213, 3297, 3465, 3927, 4239, 5049, 5181, 5355, 5495, 6545, 7065, 8007, 8415, 8635, 9891, 10395, 11781, 12089, 13345, 15543, 16065, 16485, 18683, 19635, 21195, 24021, 25245, 25905, 29359, 29673, 35343, 36267, 40035, 46629, 49455, 56049, 58905, 60445, 72063, 77715, 88077, 93415, 108801, 120105, 146795, 148365, 168147, 176715, 181335, 205513, 233145, 264231, 280245, 326403, 360315, 440385, 504441, 544005, 616539, 792693, 840735, 1027565, 1321155, 1632015, 1849617, 2522205, 3082695, 3963465, 5548851, 9248085, 27744255]

約数ペア:

[(1, 27744255), (3, 9248085), (5, 5548851), (7, 3963465), (9, 3082695), (11, 2522205), (15, 1849617), (17, 1632015), (21, 1321155), (27, 1027565), (33, 840735), (35, 792693), (45, 616539), (51, 544005), (55, 504441), (63, 440385), (77, 360315), (85, 326403), (99, 280245), (105, 264231), (119, 233145), (135, 205513), (153, 181335), (157, 176715), (165, 168147), (187, 148365), (189, 146795), (231, 120105), (255, 108801), (297, 93415), (315, 88077), (357, 77715), (385, 72063), (459, 60445), (471, 58905), (495, 56049), (561, 49455), (595, 46629), (693, 40035), (765, 36267), (785, 35343), (935, 29673), (945, 29359), (1071, 25905), (1099, 25245), (1155, 24021), (1309, 21195), (1413, 19635), (1485, 18683), (1683, 16485), (1727, 16065), (1785, 15543), (2079, 13345), (2295, 12089), (2355, 11781), (2669, 10395), (2805, 9891), (3213, 8635), (3297, 8415), (3465, 8007), (3927, 7065), (4239, 6545), (5049, 5495), (5181, 5355)]