19665704463

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^2\times {\mathrm{409}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 28317945600

約数和(自身を除く): 8652241137

約数列:

[1, 3, 19, 57, 71, 109, 213, 327, 409, 1227, 1349, 2071, 4047, 6213, 7739, 7771, 11881, 23217, 23313, 29039, 35643, 44581, 87117, 133743, 147041, 225739, 441123, 551741, 677217, 843551, 847039, 1655223, 2530653, 2541117, 3165251, 4859329, 9495753, 14577987, 16027469, 48082407, 60139769, 92327251, 180419307, 276981753, 345012359, 1035037077, 6555234821, 19665704463]

約数ペア:

[(1, 19665704463), (3, 6555234821), (19, 1035037077), (57, 345012359), (71, 276981753), (109, 180419307), (213, 92327251), (327, 60139769), (409, 48082407), (1227, 16027469), (1349, 14577987), (2071, 9495753), (4047, 4859329), (6213, 3165251), (7739, 2541117), (7771, 2530653), (11881, 1655223), (23217, 847039), (23313, 843551), (29039, 677217), (35643, 551741), (44581, 441123), (87117, 225739), (133743, 147041)]