51397983

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 99742720

約数和(自身を除く): 48344737

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 247, 273, 351, 367, 399, 513, 567, 741, 819, 1053, 1101, 1197, 1539, 1729, 2223, 2457, 2569, 3303, 3591, 4771, 5187, 6669, 6973, 7371, 7707, 9909, 10773, 14313, 15561, 20007, 20919, 23121, 29727, 33397, 42939, 46683, 48811, 62757, 69363, 90649, 100191, 128817, 140049, 146433, 188271, 208089, 271947, 300573, 386451, 439299, 564813, 634543, 815841, 901719, 1317897, 1903629, 2447523, 2705157, 3953691, 5710887, 7342569, 17132661, 51397983]

約数ペア:

[(1, 51397983), (3, 17132661), (7, 7342569), (9, 5710887), (13, 3953691), (19, 2705157), (21, 2447523), (27, 1903629), (39, 1317897), (57, 901719), (63, 815841), (81, 634543), (91, 564813), (117, 439299), (133, 386451), (171, 300573), (189, 271947), (247, 208089), (273, 188271), (351, 146433), (367, 140049), (399, 128817), (513, 100191), (567, 90649), (741, 69363), (819, 62757), (1053, 48811), (1101, 46683), (1197, 42939), (1539, 33397), (1729, 29727), (2223, 23121), (2457, 20919), (2569, 20007), (3303, 15561), (3591, 14313), (4771, 10773), (5187, 9909), (6669, 7707), (6973, 7371)]