1899000831

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21143}}^1$

素因数の和:21220

約数の個数: 48

約数和(自身を含む): 3239599104

約数和(自身を除く): 1340598273

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 329, 611, 637, 987, 1833, 1911, 2303, 4277, 6909, 12831, 21143, 29939, 63429, 89817, 148001, 274859, 444003, 824577, 993721, 1036007, 1924013, 2981163, 3108021, 5772039, 6956047, 12918373, 13468091, 20868141, 38755119, 40404273, 48692329, 90428611, 146076987, 271285833, 633000277, 1899000831]

約数ペア:

[(1, 1899000831), (3, 633000277), (7, 271285833), (13, 146076987), (21, 90428611), (39, 48692329), (47, 40404273), (49, 38755119), (91, 20868141), (141, 13468091), (147, 12918373), (273, 6956047), (329, 5772039), (611, 3108021), (637, 2981163), (987, 1924013), (1833, 1036007), (1911, 993721), (2303, 824577), (4277, 444003), (6909, 274859), (12831, 148001), (21143, 89817), (29939, 63429)]