42640983

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1724

約数の個数: 48

約数和(自身を含む): 78913536

約数和(自身を除く): 36272553

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 1221, 1663, 2331, 2849, 3663, 4989, 8547, 11641, 14967, 18293, 25641, 34923, 54879, 61531, 104769, 128051, 164637, 184593, 384153, 430717, 553779, 676841, 1152459, 1292151, 2030523, 3876453, 4737887, 6091569, 14213661, 42640983]

約数ペア:

[(1, 42640983), (3, 14213661), (7, 6091569), (9, 4737887), (11, 3876453), (21, 2030523), (33, 1292151), (37, 1152459), (63, 676841), (77, 553779), (99, 430717), (111, 384153), (231, 184593), (259, 164637), (333, 128051), (407, 104769), (693, 61531), (777, 54879), (1221, 34923), (1663, 25641), (2331, 18293), (2849, 14967), (3663, 11641), (4989, 8547)]