71868447

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 125132800

約数和(自身を除く): 53264353

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 343, 441, 651, 751, 1029, 1519, 1953, 2253, 3087, 4557, 5257, 6759, 10633, 13671, 15771, 23281, 31899, 36799, 47313, 69843, 95697, 110397, 162967, 209529, 257593, 331191, 488901, 772779, 1140769, 1466703, 2318337, 3422307, 7985383, 10266921, 23956149, 71868447]

約数ペア:

[(1, 71868447), (3, 23956149), (7, 10266921), (9, 7985383), (21, 3422307), (31, 2318337), (49, 1466703), (63, 1140769), (93, 772779), (147, 488901), (217, 331191), (279, 257593), (343, 209529), (441, 162967), (651, 110397), (751, 95697), (1029, 69843), (1519, 47313), (1953, 36799), (2253, 31899), (3087, 23281), (4557, 15771), (5257, 13671), (6759, 10633)]