215109351

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 331665840

約数和(自身を除く): 116556489

約数列:

[1, 3, 9, 27, 53, 81, 89, 159, 267, 477, 563, 801, 1431, 1689, 2403, 4293, 4717, 5067, 7209, 14151, 15201, 29839, 42453, 45603, 50107, 89517, 127359, 150321, 268551, 382077, 450963, 805653, 1352889, 2416959, 2655671, 4058667, 7967013, 23901039, 71703117, 215109351]

約数ペア:

[(1, 215109351), (3, 71703117), (9, 23901039), (27, 7967013), (53, 4058667), (81, 2655671), (89, 2416959), (159, 1352889), (267, 805653), (477, 450963), (563, 382077), (801, 268551), (1431, 150321), (1689, 127359), (2403, 89517), (4293, 50107), (4717, 45603), (5067, 42453), (7209, 29839), (14151, 15201)]