28931562387

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2077969}}^1$

素因数の和:2078012

約数の個数: 48

約数和(自身を含む): 54459437760

約数和(自身を除く): 25527875373

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 13923, 2077969, 6233907, 14545783, 18701721, 27013597, 35325473, 43637349, 81040791, 105976419, 130912047, 189095179, 243122373, 247278311, 317929257, 459231149, 567285537, 741834933, 1377693447, 1701856611, 2225504799, 3214618043, 4133080341, 9643854129, 28931562387]

約数ペア:

[(1, 28931562387), (3, 9643854129), (7, 4133080341), (9, 3214618043), (13, 2225504799), (17, 1701856611), (21, 1377693447), (39, 741834933), (51, 567285537), (63, 459231149), (91, 317929257), (117, 247278311), (119, 243122373), (153, 189095179), (221, 130912047), (273, 105976419), (357, 81040791), (663, 43637349), (819, 35325473), (1071, 27013597), (1547, 18701721), (1989, 14545783), (4641, 6233907), (13923, 2077969)]