28947330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1777}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 75721464

約数和(自身を除く): 46774134

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1777, 1810, 2715, 3258, 3554, 5331, 5430, 8145, 8885, 10662, 15993, 16290, 17770, 26655, 31986, 53310, 79965, 159930, 321637, 643274, 964911, 1608185, 1929822, 2894733, 3216370, 4824555, 5789466, 9649110, 14473665, 28947330]

約数ペア:

[(1, 28947330), (2, 14473665), (3, 9649110), (5, 5789466), (6, 4824555), (9, 3216370), (10, 2894733), (15, 1929822), (18, 1608185), (30, 964911), (45, 643274), (90, 321637), (181, 159930), (362, 79965), (543, 53310), (905, 31986), (1086, 26655), (1629, 17770), (1777, 16290), (1810, 15993), (2715, 10662), (3258, 8885), (3554, 8145), (5331, 5430)]