428156729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{691}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 576629760

約数和(自身を除く): 148473031

約数列:

[1, 7, 11, 13, 77, 91, 143, 619, 691, 1001, 4333, 4837, 6809, 7601, 8047, 8983, 47663, 53207, 56329, 62881, 88517, 98813, 427729, 619619, 691691, 2994103, 4705019, 5560477, 32935133, 38923339, 61165247, 428156729]

約数ペア:

[(1, 428156729), (7, 61165247), (11, 38923339), (13, 32935133), (77, 5560477), (91, 4705019), (143, 2994103), (619, 691691), (691, 619619), (1001, 427729), (4333, 98813), (4837, 88517), (6809, 62881), (7601, 56329), (8047, 53207), (8983, 47663)]