725638797

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^2$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 1177001280

約数和(自身を除く): 451362483

約数列:

[1, 3, 9, 13, 27, 39, 107, 117, 139, 321, 351, 417, 963, 1251, 1391, 1807, 2889, 3753, 4173, 5421, 12519, 14873, 16263, 19321, 37557, 44619, 48789, 57963, 133857, 173889, 193349, 251173, 401571, 521667, 580047, 753519, 1740141, 2067347, 2260557, 5220423, 6202041, 6781671, 18606123, 26875511, 55818369, 80626533, 241879599, 725638797]

約数ペア:

[(1, 725638797), (3, 241879599), (9, 80626533), (13, 55818369), (27, 26875511), (39, 18606123), (107, 6781671), (117, 6202041), (139, 5220423), (321, 2260557), (351, 2067347), (417, 1740141), (963, 753519), (1251, 580047), (1391, 521667), (1807, 401571), (2889, 251173), (3753, 193349), (4173, 173889), (5421, 133857), (12519, 57963), (14873, 48789), (16263, 44619), (19321, 37557)]