16904205

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 32685120

約数和(自身を除く): 15780915

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1163, 1615, 2907, 3489, 4845, 5815, 10467, 14535, 17445, 19771, 22097, 52335, 59313, 66291, 98855, 110485, 177939, 198873, 296565, 331455, 375649, 889695, 994365, 1126947, 1878245, 3380841, 5634735, 16904205]

約数ペア:

[(1, 16904205), (3, 5634735), (5, 3380841), (9, 1878245), (15, 1126947), (17, 994365), (19, 889695), (45, 375649), (51, 331455), (57, 296565), (85, 198873), (95, 177939), (153, 110485), (171, 98855), (255, 66291), (285, 59313), (323, 52335), (765, 22097), (855, 19771), (969, 17445), (1163, 14535), (1615, 10467), (2907, 5815), (3489, 4845)]