28905765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4513}}^1$

素因数の和:4589

約数の個数: 32

約数和(自身を含む): 53734656

約数和(自身を除く): 24828891

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 4513, 6405, 13539, 22565, 31591, 67695, 94773, 157955, 275293, 473865, 825879, 1376465, 1927051, 4129395, 5781153, 9635255, 28905765]

約数ペア:

[(1, 28905765), (3, 9635255), (5, 5781153), (7, 4129395), (15, 1927051), (21, 1376465), (35, 825879), (61, 473865), (105, 275293), (183, 157955), (305, 94773), (427, 67695), (915, 31591), (1281, 22565), (2135, 13539), (4513, 6405)]