28723695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1952

約数の個数: 64

約数和(自身を含む): 61737984

約数和(自身を除く): 33014289

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 1913, 2145, 3003, 5005, 5739, 9565, 13391, 15015, 21043, 24869, 28695, 40173, 63129, 66955, 74607, 105215, 124345, 147301, 174083, 200865, 273559, 315645, 373035, 441903, 522249, 736505, 820677, 870415, 1367795, 1914913, 2209515, 2611245, 4103385, 5744739, 9574565, 28723695]

約数ペア:

[(1, 28723695), (3, 9574565), (5, 5744739), (7, 4103385), (11, 2611245), (13, 2209515), (15, 1914913), (21, 1367795), (33, 870415), (35, 820677), (39, 736505), (55, 522249), (65, 441903), (77, 373035), (91, 315645), (105, 273559), (143, 200865), (165, 174083), (195, 147301), (231, 124345), (273, 105215), (385, 74607), (429, 66955), (455, 63129), (715, 40173), (1001, 28695), (1155, 24869), (1365, 21043), (1913, 15015), (2145, 13391), (3003, 9565), (5005, 5739)]