639195795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{2971}}^1$

素因数の和:3672

約数の個数: 48

約数和(自身を含む): 1268497152

約数和(自身を除く): 629301357

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 683, 2049, 2971, 3415, 4781, 6147, 8913, 10245, 14343, 14855, 20797, 23905, 26739, 30735, 43029, 44565, 62391, 71715, 103985, 133695, 187173, 215145, 311955, 935865, 2029193, 6087579, 10145965, 14204351, 18262737, 30437895, 42613053, 71021755, 91313685, 127839159, 213065265, 639195795]

約数ペア:

[(1, 639195795), (3, 213065265), (5, 127839159), (7, 91313685), (9, 71021755), (15, 42613053), (21, 30437895), (35, 18262737), (45, 14204351), (63, 10145965), (105, 6087579), (315, 2029193), (683, 935865), (2049, 311955), (2971, 215145), (3415, 187173), (4781, 133695), (6147, 103985), (8913, 71715), (10245, 62391), (14343, 44565), (14855, 43029), (20797, 30735), (23905, 26739)]