28870995

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 47496960

約数和(自身を除く): 18625965

約数列:

[1, 3, 5, 15, 61, 139, 183, 227, 305, 417, 681, 695, 915, 1135, 2085, 3405, 8479, 13847, 25437, 31553, 41541, 42395, 69235, 94659, 127185, 157765, 207705, 473295, 1924733, 5774199, 9623665, 28870995]

約数ペア:

[(1, 28870995), (3, 9623665), (5, 5774199), (15, 1924733), (61, 473295), (139, 207705), (183, 157765), (227, 127185), (305, 94659), (417, 69235), (681, 42395), (695, 41541), (915, 31553), (1135, 25437), (2085, 13847), (3405, 8479)]