206880075

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:343

約数の個数: 90

約数和(自身を含む): 405873204

約数和(自身を除く): 198993129

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 283, 285, 361, 405, 475, 513, 675, 849, 855, 1083, 1415, 1425, 1539, 1805, 2025, 2547, 2565, 3249, 4245, 4275, 5377, 5415, 7075, 7641, 7695, 9025, 9747, 12735, 12825, 16131, 16245, 21225, 22923, 26885, 27075, 29241, 38205, 38475, 48393, 48735, 63675, 80655, 81225, 102163, 114615, 134425, 145179, 146205, 191025, 241965, 243675, 306489, 403275, 435537, 510815, 573075, 725895, 731025, 919467, 1209825, 1532445, 2177685, 2554075, 2758401, 3629475, 4597335, 7662225, 8275203, 10888425, 13792005, 22986675, 41376015, 68960025, 206880075]

約数ペア:

[(1, 206880075), (3, 68960025), (5, 41376015), (9, 22986675), (15, 13792005), (19, 10888425), (25, 8275203), (27, 7662225), (45, 4597335), (57, 3629475), (75, 2758401), (81, 2554075), (95, 2177685), (135, 1532445), (171, 1209825), (225, 919467), (283, 731025), (285, 725895), (361, 573075), (405, 510815), (475, 435537), (513, 403275), (675, 306489), (849, 243675), (855, 241965), (1083, 191025), (1415, 146205), (1425, 145179), (1539, 134425), (1805, 114615), (2025, 102163), (2547, 81225), (2565, 80655), (3249, 63675), (4245, 48735), (4275, 48393), (5377, 38475), (5415, 38205), (7075, 29241), (7641, 27075), (7695, 26885), (9025, 22923), (9747, 21225), (12735, 16245), (12825, 16131)]