28049637

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3969

約数の個数: 32

約数和(自身を含む): 48144384

約数和(自身を除く): 20094747

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 3917, 7161, 11751, 27419, 43087, 82257, 121427, 129261, 301609, 364281, 849989, 904827, 1335697, 2549967, 4007091, 9349879, 28049637]

約数ペア:

[(1, 28049637), (3, 9349879), (7, 4007091), (11, 2549967), (21, 1335697), (31, 904827), (33, 849989), (77, 364281), (93, 301609), (217, 129261), (231, 121427), (341, 82257), (651, 43087), (1023, 27419), (2387, 11751), (3917, 7161)]