28903485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8719}}^1$

素因数の和:8757

約数の個数: 32

約数和(自身を含む): 52738560

約数和(自身を除く): 23835075

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8719, 26157, 43595, 113347, 130785, 148223, 340041, 444669, 566735, 741115, 1700205, 1926899, 2223345, 5780697, 9634495, 28903485]

約数ペア:

[(1, 28903485), (3, 9634495), (5, 5780697), (13, 2223345), (15, 1926899), (17, 1700205), (39, 741115), (51, 566735), (65, 444669), (85, 340041), (195, 148223), (221, 130785), (255, 113347), (663, 43595), (1105, 26157), (3315, 8719)]