2215395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 4734912

約数和(自身を除く): 2519517

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 541, 585, 819, 1365, 1623, 2705, 3787, 4095, 4869, 7033, 8115, 11361, 18935, 21099, 24345, 34083, 35165, 49231, 56805, 63297, 105495, 147693, 170415, 246155, 316485, 443079, 738465, 2215395]

約数ペア:

[(1, 2215395), (3, 738465), (5, 443079), (7, 316485), (9, 246155), (13, 170415), (15, 147693), (21, 105495), (35, 63297), (39, 56805), (45, 49231), (63, 35165), (65, 34083), (91, 24345), (105, 21099), (117, 18935), (195, 11361), (273, 8115), (315, 7033), (455, 4869), (541, 4095), (585, 3787), (819, 2705), (1365, 1623)]