28958865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1531}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 50445696

約数和(自身を除く): 21486831

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1261, 1455, 1531, 3783, 4593, 6305, 7655, 18915, 19903, 22965, 59709, 99515, 148507, 298545, 445521, 742535, 1930591, 2227605, 5791773, 9652955, 28958865]

約数ペア:

[(1, 28958865), (3, 9652955), (5, 5791773), (13, 2227605), (15, 1930591), (39, 742535), (65, 445521), (97, 298545), (195, 148507), (291, 99515), (485, 59709), (1261, 22965), (1455, 19903), (1531, 18915), (3783, 7655), (4593, 6305)]