221219805

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{1019}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 363968640

約数和(自身を除く): 142748835

約数列:

[1, 3, 5, 15, 41, 123, 205, 353, 615, 1019, 1059, 1765, 3057, 5095, 5295, 14473, 15285, 41779, 43419, 72365, 125337, 208895, 217095, 359707, 626685, 1079121, 1798535, 5395605, 14747987, 44243961, 73739935, 221219805]

約数ペア:

[(1, 221219805), (3, 73739935), (5, 44243961), (15, 14747987), (41, 5395605), (123, 1798535), (205, 1079121), (353, 626685), (615, 359707), (1019, 217095), (1059, 208895), (1765, 125337), (3057, 72365), (5095, 43419), (5295, 41779), (14473, 15285)]