2680425

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:68

約数の個数: 72

約数和(自身を含む): 5669280

約数和(自身を除く): 2988855

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 27, 33, 45, 55, 57, 75, 95, 99, 135, 165, 171, 209, 225, 275, 285, 297, 361, 475, 495, 513, 627, 675, 825, 855, 1045, 1083, 1425, 1485, 1805, 1881, 2475, 2565, 3135, 3249, 3971, 4275, 5225, 5415, 5643, 7425, 9025, 9405, 9747, 11913, 12825, 15675, 16245, 19855, 27075, 28215, 35739, 47025, 48735, 59565, 81225, 99275, 107217, 141075, 178695, 243675, 297825, 536085, 893475, 2680425]

約数ペア:

[(1, 2680425), (3, 893475), (5, 536085), (9, 297825), (11, 243675), (15, 178695), (19, 141075), (25, 107217), (27, 99275), (33, 81225), (45, 59565), (55, 48735), (57, 47025), (75, 35739), (95, 28215), (99, 27075), (135, 19855), (165, 16245), (171, 15675), (209, 12825), (225, 11913), (275, 9747), (285, 9405), (297, 9025), (361, 7425), (475, 5643), (495, 5415), (513, 5225), (627, 4275), (675, 3971), (825, 3249), (855, 3135), (1045, 2565), (1083, 2475), (1425, 1881), (1485, 1805)]