217915299

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9729

約数の個数: 48

約数和(自身を含む): 397677600

約数和(自身を除く): 179762301

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 833, 1071, 1323, 2499, 3213, 7497, 9689, 22491, 29067, 67823, 87201, 164713, 203469, 261603, 474761, 494139, 610407, 1152991, 1424283, 1482417, 1831221, 3458973, 4272849, 4447251, 8070937, 10376919, 12818547, 24212811, 31130757, 72638433, 217915299]

約数ペア:

[(1, 217915299), (3, 72638433), (7, 31130757), (9, 24212811), (17, 12818547), (21, 10376919), (27, 8070937), (49, 4447251), (51, 4272849), (63, 3458973), (119, 1831221), (147, 1482417), (153, 1424283), (189, 1152991), (357, 610407), (441, 494139), (459, 474761), (833, 261603), (1071, 203469), (1323, 164713), (2499, 87201), (3213, 67823), (7497, 29067), (9689, 22491)]