28817325

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:834

約数の個数: 36

約数和(自身を含む): 51945088

約数和(自身を除く): 23127763

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 607, 633, 1055, 1821, 1899, 3035, 3165, 5275, 5463, 9105, 9495, 15175, 15825, 27315, 45525, 47475, 128077, 136575, 384231, 640385, 1152693, 1921155, 3201925, 5763465, 9605775, 28817325]

約数ペア:

[(1, 28817325), (3, 9605775), (5, 5763465), (9, 3201925), (15, 1921155), (25, 1152693), (45, 640385), (75, 384231), (211, 136575), (225, 128077), (607, 47475), (633, 45525), (1055, 27315), (1821, 15825), (1899, 15175), (3035, 9495), (3165, 9105), (5275, 5463)]