28346385

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1259}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 20037615

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 395, 1185, 1259, 1501, 3777, 4503, 6295, 7505, 18885, 22515, 23921, 71763, 99461, 119605, 298383, 358815, 497305, 1491915, 1889759, 5669277, 9448795, 28346385]

約数ペア:

[(1, 28346385), (3, 9448795), (5, 5669277), (15, 1889759), (19, 1491915), (57, 497305), (79, 358815), (95, 298383), (237, 119605), (285, 99461), (395, 71763), (1185, 23921), (1259, 22515), (1501, 18885), (3777, 7505), (4503, 6295)]