81467325

素因数分解:

$3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2851}}^1$

素因数の和:2994

約数の個数: 36

約数和(自身を含む): 147117568

約数和(自身を除く): 65650243

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 127, 225, 381, 635, 1143, 1905, 2851, 3175, 5715, 8553, 9525, 14255, 25659, 28575, 42765, 71275, 128295, 213825, 362077, 641475, 1086231, 1810385, 3258693, 5431155, 9051925, 16293465, 27155775, 81467325]

約数ペア:

[(1, 81467325), (3, 27155775), (5, 16293465), (9, 9051925), (15, 5431155), (25, 3258693), (45, 1810385), (75, 1086231), (127, 641475), (225, 362077), (381, 213825), (635, 128295), (1143, 71275), (1905, 42765), (2851, 28575), (3175, 25659), (5715, 14255), (8553, 9525)]