80374749

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 135672768

約数和(自身を除く): 55298019

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 137, 147, 273, 307, 411, 637, 921, 959, 1781, 1911, 2149, 2877, 3991, 5343, 6447, 6713, 11973, 12467, 15043, 20139, 27937, 37401, 42059, 45129, 83811, 87269, 126177, 195559, 261807, 294413, 546767, 586677, 883239, 1640301, 2060891, 3827369, 6182673, 11482107, 26791583, 80374749]

約数ペア:

[(1, 80374749), (3, 26791583), (7, 11482107), (13, 6182673), (21, 3827369), (39, 2060891), (49, 1640301), (91, 883239), (137, 586677), (147, 546767), (273, 294413), (307, 261807), (411, 195559), (637, 126177), (921, 87269), (959, 83811), (1781, 45129), (1911, 42059), (2149, 37401), (2877, 27937), (3991, 20139), (5343, 15043), (6447, 12467), (6713, 11973)]