81889236

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15907}}^1$

素因数の和:15941

約数の個数: 72

約数和(自身を含む): 243201504

約数和(自身を除く): 161312268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 15907, 31814, 47721, 63628, 95442, 143163, 174977, 190884, 206791, 286326, 349954, 413582, 524931, 572652, 620373, 699908, 827164, 1049862, 1240746, 1574793, 1861119, 2099724, 2274701, 2481492, 3149586, 3722238, 4549402, 6299172, 6824103, 7444476, 9098804, 13648206, 20472309, 27296412, 40944618, 81889236]

約数ペア:

[(1, 81889236), (2, 40944618), (3, 27296412), (4, 20472309), (6, 13648206), (9, 9098804), (11, 7444476), (12, 6824103), (13, 6299172), (18, 4549402), (22, 3722238), (26, 3149586), (33, 2481492), (36, 2274701), (39, 2099724), (44, 1861119), (52, 1574793), (66, 1240746), (78, 1049862), (99, 827164), (117, 699908), (132, 620373), (143, 572652), (156, 524931), (198, 413582), (234, 349954), (286, 286326), (396, 206791), (429, 190884), (468, 174977), (572, 143163), (858, 95442), (1287, 63628), (1716, 47721), (2574, 31814), (5148, 15907)]