81239886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49597}}^1$

素因数の和:49625

約数の個数: 48

約数和(自身を含む): 216644064

約数和(自身を除く): 135404178

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 49597, 99194, 148791, 297582, 347179, 446373, 644761, 694358, 892746, 1041537, 1289522, 1934283, 2083074, 3124611, 3868566, 4513327, 5802849, 6249222, 9026654, 11605698, 13539981, 27079962, 40619943, 81239886]

約数ペア:

[(1, 81239886), (2, 40619943), (3, 27079962), (6, 13539981), (7, 11605698), (9, 9026654), (13, 6249222), (14, 5802849), (18, 4513327), (21, 3868566), (26, 3124611), (39, 2083074), (42, 1934283), (63, 1289522), (78, 1041537), (91, 892746), (117, 694358), (126, 644761), (182, 446373), (234, 347179), (273, 297582), (546, 148791), (819, 99194), (1638, 49597)]