81357444

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2713}}^1$

素因数の和:2754

約数の個数: 108

約数和(自身を含む): 253395324

約数和(自身を除く): 172037880

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 357, 441, 476, 588, 612, 714, 833, 882, 1071, 1428, 1666, 1764, 2142, 2499, 2713, 3332, 4284, 4998, 5426, 7497, 8139, 9996, 10852, 14994, 16278, 18991, 24417, 29988, 32556, 37982, 46121, 48834, 56973, 75964, 92242, 97668, 113946, 132937, 138363, 170919, 184484, 227892, 265874, 276726, 322847, 341838, 398811, 415089, 531748, 553452, 645694, 683676, 797622, 830178, 968541, 1196433, 1291388, 1595244, 1660356, 1937082, 2259929, 2392866, 2905623, 3874164, 4519858, 4785732, 5811246, 6779787, 9039716, 11622492, 13559574, 20339361, 27119148, 40678722, 81357444]

約数ペア:

[(1, 81357444), (2, 40678722), (3, 27119148), (4, 20339361), (6, 13559574), (7, 11622492), (9, 9039716), (12, 6779787), (14, 5811246), (17, 4785732), (18, 4519858), (21, 3874164), (28, 2905623), (34, 2392866), (36, 2259929), (42, 1937082), (49, 1660356), (51, 1595244), (63, 1291388), (68, 1196433), (84, 968541), (98, 830178), (102, 797622), (119, 683676), (126, 645694), (147, 553452), (153, 531748), (196, 415089), (204, 398811), (238, 341838), (252, 322847), (294, 276726), (306, 265874), (357, 227892), (441, 184484), (476, 170919), (588, 138363), (612, 132937), (714, 113946), (833, 97668), (882, 92242), (1071, 75964), (1428, 56973), (1666, 48834), (1764, 46121), (2142, 37982), (2499, 32556), (2713, 29988), (3332, 24417), (4284, 18991), (4998, 16278), (5426, 14994), (7497, 10852), (8139, 9996)]