78687147

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 133297920

約数和(自身を除く): 54610773

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 173, 179, 231, 363, 519, 537, 847, 1211, 1253, 1903, 1969, 2541, 3633, 3759, 5709, 5907, 13321, 13783, 20933, 21659, 30967, 39963, 41349, 62799, 64977, 92901, 146531, 151613, 216769, 340637, 439593, 454839, 650307, 1021911, 2384459, 3747007, 7153377, 11241021, 26229049, 78687147]

約数ペア:

[(1, 78687147), (3, 26229049), (7, 11241021), (11, 7153377), (21, 3747007), (33, 2384459), (77, 1021911), (121, 650307), (173, 454839), (179, 439593), (231, 340637), (363, 216769), (519, 151613), (537, 146531), (847, 92901), (1211, 64977), (1253, 62799), (1903, 41349), (1969, 39963), (2541, 30967), (3633, 21659), (3759, 20933), (5709, 13783), (5907, 13321)]