40248873

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 32741847

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 141, 161, 189, 197, 207, 329, 423, 483, 591, 621, 987, 1081, 1269, 1379, 1449, 1773, 2961, 3243, 4137, 4347, 4531, 5319, 7567, 8883, 9259, 9729, 12411, 13593, 22701, 27777, 29187, 31717, 37233, 40779, 64813, 68103, 83331, 95151, 122337, 194439, 204309, 212957, 249993, 285453, 583317, 638871, 856359, 1490699, 1749951, 1916613, 4472097, 5749839, 13416291, 40248873]

約数ペア:

[(1, 40248873), (3, 13416291), (7, 5749839), (9, 4472097), (21, 1916613), (23, 1749951), (27, 1490699), (47, 856359), (63, 638871), (69, 583317), (141, 285453), (161, 249993), (189, 212957), (197, 204309), (207, 194439), (329, 122337), (423, 95151), (483, 83331), (591, 68103), (621, 64813), (987, 40779), (1081, 37233), (1269, 31717), (1379, 29187), (1449, 27777), (1773, 22701), (2961, 13593), (3243, 12411), (4137, 9729), (4347, 9259), (4531, 8883), (5319, 7567)]