1980693

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 56

約数和(自身を含む): 3672480

約数和(自身を除く): 1691787

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 81, 99, 117, 143, 171, 209, 243, 247, 297, 351, 429, 513, 627, 729, 741, 891, 1053, 1287, 1539, 1881, 2223, 2673, 2717, 3159, 3861, 4617, 5643, 6669, 8019, 8151, 9477, 11583, 13851, 16929, 20007, 24453, 34749, 50787, 60021, 73359, 104247, 152361, 180063, 220077, 660231, 1980693]

約数ペア:

[(1, 1980693), (3, 660231), (9, 220077), (11, 180063), (13, 152361), (19, 104247), (27, 73359), (33, 60021), (39, 50787), (57, 34749), (81, 24453), (99, 20007), (117, 16929), (143, 13851), (171, 11583), (209, 9477), (243, 8151), (247, 8019), (297, 6669), (351, 5643), (429, 4617), (513, 3861), (627, 3159), (729, 2717), (741, 2673), (891, 2223), (1053, 1881), (1287, 1539)]