2045979

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 3455760

約数和(自身を除く): 1409781

約数列:

[1, 3, 9, 13, 27, 29, 39, 67, 81, 87, 117, 201, 261, 351, 377, 603, 783, 871, 1053, 1131, 1809, 1943, 2349, 2613, 3393, 5427, 5829, 7839, 10179, 17487, 23517, 25259, 30537, 52461, 70551, 75777, 157383, 227331, 681993, 2045979]

約数ペア:

[(1, 2045979), (3, 681993), (9, 227331), (13, 157383), (27, 75777), (29, 70551), (39, 52461), (67, 30537), (81, 25259), (87, 23517), (117, 17487), (201, 10179), (261, 7839), (351, 5829), (377, 5427), (603, 3393), (783, 2613), (871, 2349), (1053, 1943), (1131, 1809)]