28947645

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6917}}^1$

素因数の和:6962

約数の個数: 32

約数和(自身を含む): 53130240

約数和(自身を除く): 24182595

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 6917, 20751, 34585, 62253, 103755, 186759, 214427, 311265, 643281, 933795, 1072135, 1929843, 3216405, 5789529, 9649215, 28947645]

約数ペア:

[(1, 28947645), (3, 9649215), (5, 5789529), (9, 3216405), (15, 1929843), (27, 1072135), (31, 933795), (45, 643281), (93, 311265), (135, 214427), (155, 186759), (279, 103755), (465, 62253), (837, 34585), (1395, 20751), (4185, 6917)]