28379043

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 52795392

約数和(自身を除く): 24416349

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1321, 1953, 2387, 3069, 3963, 7161, 9247, 11889, 14531, 21483, 27741, 40951, 43593, 83223, 101717, 122853, 130779, 286657, 305151, 368559, 450461, 859971, 915453, 1351383, 2579913, 3153227, 4054149, 9459681, 28379043]

約数ペア:

[(1, 28379043), (3, 9459681), (7, 4054149), (9, 3153227), (11, 2579913), (21, 1351383), (31, 915453), (33, 859971), (63, 450461), (77, 368559), (93, 305151), (99, 286657), (217, 130779), (231, 122853), (279, 101717), (341, 83223), (651, 43593), (693, 40951), (1023, 27741), (1321, 21483), (1953, 14531), (2387, 11889), (3069, 9247), (3963, 7161)]