686195505

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{6691}}^1$

素因数の和:6798

約数の個数: 48

約数和(自身を含む): 1240214976

約数和(自身を除く): 554019471

約数列:

[1, 3, 5, 9, 15, 43, 45, 53, 129, 159, 215, 265, 387, 477, 645, 795, 1935, 2279, 2385, 6691, 6837, 11395, 20073, 20511, 33455, 34185, 60219, 100365, 102555, 287713, 301095, 354623, 863139, 1063869, 1438565, 1773115, 2589417, 3191607, 4315695, 5319345, 12947085, 15248789, 15958035, 45746367, 76243945, 137239101, 228731835, 686195505]

約数ペア:

[(1, 686195505), (3, 228731835), (5, 137239101), (9, 76243945), (15, 45746367), (43, 15958035), (45, 15248789), (53, 12947085), (129, 5319345), (159, 4315695), (215, 3191607), (265, 2589417), (387, 1773115), (477, 1438565), (645, 1063869), (795, 863139), (1935, 354623), (2279, 301095), (2385, 287713), (6691, 102555), (6837, 100365), (11395, 60219), (20073, 34185), (20511, 33455)]