208053615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2953}}^1$

素因数の和:3040

約数の個数: 64

約数和(自身を含む): 421972992

約数和(自身を除く): 213919377

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 61, 77, 105, 165, 183, 231, 305, 385, 427, 671, 915, 1155, 1281, 2013, 2135, 2953, 3355, 4697, 6405, 8859, 10065, 14091, 14765, 20671, 23485, 32483, 44295, 62013, 70455, 97449, 103355, 162415, 180133, 227381, 310065, 487245, 540399, 682143, 900665, 1136905, 1260931, 1981463, 2701995, 3410715, 3782793, 5944389, 6304655, 9907315, 13870241, 18913965, 29721945, 41610723, 69351205, 208053615]

約数ペア:

[(1, 208053615), (3, 69351205), (5, 41610723), (7, 29721945), (11, 18913965), (15, 13870241), (21, 9907315), (33, 6304655), (35, 5944389), (55, 3782793), (61, 3410715), (77, 2701995), (105, 1981463), (165, 1260931), (183, 1136905), (231, 900665), (305, 682143), (385, 540399), (427, 487245), (671, 310065), (915, 227381), (1155, 180133), (1281, 162415), (2013, 103355), (2135, 97449), (2953, 70455), (3355, 62013), (4697, 44295), (6405, 32483), (8859, 23485), (10065, 20671), (14091, 14765)]