217498605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{2837}}^1$

素因数の和:3133

約数の個数: 32

約数和(自身を含む): 367804800

約数和(自身を除く): 150306195

約数列:

[1, 3, 5, 15, 19, 57, 95, 269, 285, 807, 1345, 2837, 4035, 5111, 8511, 14185, 15333, 25555, 42555, 53903, 76665, 161709, 269515, 763153, 808545, 2289459, 3815765, 11447295, 14499907, 43499721, 72499535, 217498605]

約数ペア:

[(1, 217498605), (3, 72499535), (5, 43499721), (15, 14499907), (19, 11447295), (57, 3815765), (95, 2289459), (269, 808545), (285, 763153), (807, 269515), (1345, 161709), (2837, 76665), (4035, 53903), (5111, 42555), (8511, 25555), (14185, 15333)]