13481545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 21506688

約数和(自身を除く): 8025143

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 97, 133, 209, 361, 385, 485, 665, 679, 1045, 1067, 1463, 1805, 1843, 2527, 3395, 3971, 5335, 7315, 7469, 9215, 12635, 12901, 19855, 20273, 27797, 35017, 37345, 64505, 101365, 138985, 141911, 175085, 245119, 385187, 709555, 1225595, 1925935, 2696309, 13481545]

約数ペア:

[(1, 13481545), (5, 2696309), (7, 1925935), (11, 1225595), (19, 709555), (35, 385187), (55, 245119), (77, 175085), (95, 141911), (97, 138985), (133, 101365), (209, 64505), (361, 37345), (385, 35017), (485, 27797), (665, 20273), (679, 19855), (1045, 12901), (1067, 12635), (1463, 9215), (1805, 7469), (1843, 7315), (2527, 5335), (3395, 3971)]