28307433

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 50135040

約数和(自身を除く): 21827607

約数列:

[1, 3, 7, 11, 21, 31, 33, 59, 67, 77, 93, 177, 201, 217, 231, 341, 413, 469, 649, 651, 737, 1023, 1239, 1407, 1829, 1947, 2077, 2211, 2387, 3953, 4543, 5159, 5487, 6231, 7161, 11859, 12803, 13629, 14539, 15477, 20119, 22847, 27671, 38409, 43483, 43617, 60357, 68541, 83013, 122543, 130449, 140833, 159929, 304381, 367629, 422499, 479787, 857801, 913143, 1347973, 2573403, 4043919, 9435811, 28307433]

約数ペア:

[(1, 28307433), (3, 9435811), (7, 4043919), (11, 2573403), (21, 1347973), (31, 913143), (33, 857801), (59, 479787), (67, 422499), (77, 367629), (93, 304381), (177, 159929), (201, 140833), (217, 130449), (231, 122543), (341, 83013), (413, 68541), (469, 60357), (649, 43617), (651, 43483), (737, 38409), (1023, 27671), (1239, 22847), (1407, 20119), (1829, 15477), (1947, 14539), (2077, 13629), (2211, 12803), (2387, 11859), (3953, 7161), (4543, 6231), (5159, 5487)]