28713165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{643}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 49768320

約数和(自身を除く): 21055155

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 229, 643, 687, 1145, 1929, 2977, 3215, 3435, 8359, 8931, 9645, 14885, 25077, 41795, 44655, 125385, 147247, 441741, 736235, 1914211, 2208705, 5742633, 9571055, 28713165]

約数ペア:

[(1, 28713165), (3, 9571055), (5, 5742633), (13, 2208705), (15, 1914211), (39, 736235), (65, 441741), (195, 147247), (229, 125385), (643, 44655), (687, 41795), (1145, 25077), (1929, 14885), (2977, 9645), (3215, 8931), (3435, 8359)]