81629541

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 142105600

約数和(自身を除く): 60476059

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 343, 441, 651, 853, 1029, 1519, 1953, 2559, 3087, 4557, 5971, 7677, 10633, 13671, 17913, 26443, 31899, 41797, 53739, 79329, 95697, 125391, 185101, 237987, 292579, 376173, 555303, 877737, 1295707, 1665909, 2633211, 3887121, 9069949, 11661363, 27209847, 81629541]

約数ペア:

[(1, 81629541), (3, 27209847), (7, 11661363), (9, 9069949), (21, 3887121), (31, 2633211), (49, 1665909), (63, 1295707), (93, 877737), (147, 555303), (217, 376173), (279, 292579), (343, 237987), (441, 185101), (651, 125391), (853, 95697), (1029, 79329), (1519, 53739), (1953, 41797), (2559, 31899), (3087, 26443), (4557, 17913), (5971, 13671), (7677, 10633)]