201728289

素因数分解:

$3^1\times 7^1\times {\mathrm{2953}}^1\times {\mathrm{3253}}^1$

素因数の和:6216

約数の個数: 16

約数和(自身を含む): 307594112

約数和(自身を除く): 105865823

約数列:

[1, 3, 7, 21, 2953, 3253, 8859, 9759, 20671, 22771, 62013, 68313, 9606109, 28818327, 67242763, 201728289]

約数ペア:

[(1, 201728289), (3, 67242763), (7, 28818327), (21, 9606109), (2953, 68313), (3253, 62013), (8859, 22771), (9759, 20671)]