31778925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 57288000

約数和(自身を除く): 25509075

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 475, 551, 725, 769, 1425, 1653, 2175, 2307, 2755, 3845, 8265, 11535, 13775, 14611, 19225, 22301, 41325, 43833, 57675, 66903, 73055, 111505, 219165, 334515, 365275, 423719, 557525, 1095825, 1271157, 1672575, 2118595, 6355785, 10592975, 31778925]

約数ペア:

[(1, 31778925), (3, 10592975), (5, 6355785), (15, 2118595), (19, 1672575), (25, 1271157), (29, 1095825), (57, 557525), (75, 423719), (87, 365275), (95, 334515), (145, 219165), (285, 111505), (435, 73055), (475, 66903), (551, 57675), (725, 43833), (769, 41325), (1425, 22301), (1653, 19225), (2175, 14611), (2307, 13775), (2755, 11535), (3845, 8265)]