67661139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 119992320

約数和(自身を除く): 52331181

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 61, 91, 119, 183, 221, 239, 273, 357, 427, 663, 717, 793, 1037, 1281, 1547, 1673, 2379, 3107, 3111, 4063, 4641, 5019, 5551, 7259, 9321, 12189, 13481, 14579, 16653, 21749, 21777, 28441, 40443, 43737, 52819, 65247, 85323, 94367, 102053, 158457, 189527, 247843, 283101, 306159, 369733, 568581, 743529, 1109199, 1326689, 1734901, 3221959, 3980067, 5204703, 9665877, 22553713, 67661139]

約数ペア:

[(1, 67661139), (3, 22553713), (7, 9665877), (13, 5204703), (17, 3980067), (21, 3221959), (39, 1734901), (51, 1326689), (61, 1109199), (91, 743529), (119, 568581), (183, 369733), (221, 306159), (239, 283101), (273, 247843), (357, 189527), (427, 158457), (663, 102053), (717, 94367), (793, 85323), (1037, 65247), (1281, 52819), (1547, 43737), (1673, 40443), (2379, 28441), (3107, 21777), (3111, 21749), (4063, 16653), (4641, 14579), (5019, 13481), (5551, 12189), (7259, 9321)]