27984015

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2137}}^1$

素因数の和:2248

約数の個数: 32

約数和(自身を含む): 50285760

約数和(自身を除く): 22301745

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 2137, 2619, 4365, 6411, 10685, 13095, 19233, 32055, 57699, 96165, 207289, 288495, 621867, 1036445, 1865601, 3109335, 5596803, 9328005, 27984015]

約数ペア:

[(1, 27984015), (3, 9328005), (5, 5596803), (9, 3109335), (15, 1865601), (27, 1036445), (45, 621867), (97, 288495), (135, 207289), (291, 96165), (485, 57699), (873, 32055), (1455, 19233), (2137, 13095), (2619, 10685), (4365, 6411)]