138878883

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 247862160

約数和(自身を除く): 108983277

約数列:

[1, 3, 9, 11, 13, 29, 33, 39, 61, 87, 99, 117, 143, 183, 261, 319, 377, 429, 549, 671, 793, 957, 1131, 1287, 1769, 2013, 2379, 2871, 3393, 3721, 4147, 5307, 6039, 7137, 8723, 11163, 12441, 15921, 19459, 22997, 26169, 33489, 37323, 40931, 48373, 58377, 68991, 78507, 107909, 122793, 145119, 175131, 206973, 252967, 323727, 368379, 435357, 532103, 758901, 971181, 1186999, 1402817, 1596309, 2276703, 3560997, 4208451, 4788927, 10682991, 12625353, 15430987, 46292961, 138878883]

約数ペア:

[(1, 138878883), (3, 46292961), (9, 15430987), (11, 12625353), (13, 10682991), (29, 4788927), (33, 4208451), (39, 3560997), (61, 2276703), (87, 1596309), (99, 1402817), (117, 1186999), (143, 971181), (183, 758901), (261, 532103), (319, 435357), (377, 368379), (429, 323727), (549, 252967), (671, 206973), (793, 175131), (957, 145119), (1131, 122793), (1287, 107909), (1769, 78507), (2013, 68991), (2379, 58377), (2871, 48373), (3393, 40931), (3721, 37323), (4147, 33489), (5307, 26169), (6039, 22997), (7137, 19459), (8723, 15921), (11163, 12441)]