80971527

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 143216640

約数和(自身を除く): 62245113

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 73, 91, 119, 219, 221, 239, 273, 357, 511, 663, 717, 949, 1241, 1533, 1547, 1673, 2847, 3107, 3723, 4063, 4641, 5019, 6643, 8687, 9321, 12189, 16133, 17447, 19929, 21749, 26061, 28441, 48399, 52341, 52819, 65247, 85323, 112931, 122129, 158457, 226811, 296599, 338793, 366387, 369733, 680433, 889797, 1109199, 1587677, 2076193, 3855787, 4763031, 6228579, 11567361, 26990509, 80971527]

約数ペア:

[(1, 80971527), (3, 26990509), (7, 11567361), (13, 6228579), (17, 4763031), (21, 3855787), (39, 2076193), (51, 1587677), (73, 1109199), (91, 889797), (119, 680433), (219, 369733), (221, 366387), (239, 338793), (273, 296599), (357, 226811), (511, 158457), (663, 122129), (717, 112931), (949, 85323), (1241, 65247), (1533, 52819), (1547, 52341), (1673, 48399), (2847, 28441), (3107, 26061), (3723, 21749), (4063, 19929), (4641, 17447), (5019, 16133), (6643, 12189), (8687, 9321)]