317317143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19991}}^1$

素因数の和:20055

約数の個数: 32

約数和(自身を含む): 510515712

約数和(自身を除く): 193198569

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 5291, 15873, 19991, 59973, 219901, 259883, 659703, 739667, 779649, 2219001, 2858713, 8136337, 8576139, 9615671, 24409011, 28847013, 105772381, 317317143]

約数ペア:

[(1, 317317143), (3, 105772381), (11, 28847013), (13, 24409011), (33, 9615671), (37, 8576139), (39, 8136337), (111, 2858713), (143, 2219001), (407, 779649), (429, 739667), (481, 659703), (1221, 259883), (1443, 219901), (5291, 59973), (15873, 19991)]