1538145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 3219840

約数和(自身を除く): 1681695

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 257, 285, 315, 399, 665, 771, 855, 1197, 1285, 1799, 1995, 2313, 3855, 4883, 5397, 5985, 8995, 11565, 14649, 16191, 24415, 26985, 34181, 43947, 73245, 80955, 102543, 170905, 219735, 307629, 512715, 1538145]

約数ペア:

[(1, 1538145), (3, 512715), (5, 307629), (7, 219735), (9, 170905), (15, 102543), (19, 80955), (21, 73245), (35, 43947), (45, 34181), (57, 26985), (63, 24415), (95, 16191), (105, 14649), (133, 11565), (171, 8995), (257, 5985), (285, 5397), (315, 4883), (399, 3855), (665, 2313), (771, 1995), (855, 1799), (1197, 1285)]