2193075

素因数分解:

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

素因数の和:63

約数の個数: 54

約数和(自身を含む): 4299204

約数和(自身を除く): 2106129

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 361, 405, 475, 513, 675, 855, 1083, 1215, 1425, 1539, 1805, 2025, 2565, 3249, 4275, 4617, 5415, 6075, 7695, 9025, 9747, 12825, 16245, 23085, 27075, 29241, 38475, 48735, 81225, 87723, 115425, 146205, 243675, 438615, 731025, 2193075]

約数ペア:

[(1, 2193075), (3, 731025), (5, 438615), (9, 243675), (15, 146205), (19, 115425), (25, 87723), (27, 81225), (45, 48735), (57, 38475), (75, 29241), (81, 27075), (95, 23085), (135, 16245), (171, 12825), (225, 9747), (243, 9025), (285, 7695), (361, 6075), (405, 5415), (475, 4617), (513, 4275), (675, 3249), (855, 2565), (1083, 2025), (1215, 1805), (1425, 1539)]