71637363

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2744

約数の個数: 36

約数和(自身を含む): 122389488

約数和(自身を除く): 50752125

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2663, 2989, 3843, 7989, 8967, 18641, 23967, 26901, 55923, 130487, 162443, 167769, 391461, 487329, 1137101, 1174383, 1461987, 3411303, 7959707, 10233909, 23879121, 71637363]

約数ペア:

[(1, 71637363), (3, 23879121), (7, 10233909), (9, 7959707), (21, 3411303), (49, 1461987), (61, 1174383), (63, 1137101), (147, 487329), (183, 391461), (427, 167769), (441, 162443), (549, 130487), (1281, 55923), (2663, 26901), (2989, 23967), (3843, 18641), (7989, 8967)]