197651745

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3511}}^1$

素因数の和:3667

約数の個数: 40

約数和(自身を含む): 356959680

約数和(自身を除く): 159307935

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 695, 1251, 2085, 3511, 3753, 6255, 10533, 11259, 17555, 18765, 31599, 52665, 56295, 94797, 157995, 284391, 473985, 488029, 1421955, 1464087, 2440145, 4392261, 7320435, 13176783, 21961305, 39530349, 65883915, 197651745]

約数ペア:

[(1, 197651745), (3, 65883915), (5, 39530349), (9, 21961305), (15, 13176783), (27, 7320435), (45, 4392261), (81, 2440145), (135, 1464087), (139, 1421955), (405, 488029), (417, 473985), (695, 284391), (1251, 157995), (2085, 94797), (3511, 56295), (3753, 52665), (6255, 31599), (10533, 18765), (11259, 17555)]