3986199

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 7223040

約数和(自身を除く): 3236841

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 131, 147, 161, 189, 207, 393, 441, 483, 621, 917, 1127, 1179, 1323, 1449, 2751, 3013, 3381, 3537, 4347, 6419, 8253, 9039, 10143, 19257, 21091, 24759, 27117, 30429, 57771, 63273, 81351, 147637, 173313, 189819, 442911, 569457, 1328733, 3986199]

約数ペア:

[(1, 3986199), (3, 1328733), (7, 569457), (9, 442911), (21, 189819), (23, 173313), (27, 147637), (49, 81351), (63, 63273), (69, 57771), (131, 30429), (147, 27117), (161, 24759), (189, 21091), (207, 19257), (393, 10143), (441, 9039), (483, 8253), (621, 6419), (917, 4347), (1127, 3537), (1179, 3381), (1323, 3013), (1449, 2751)]