215510985

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 384555600

約数和(自身を除く): 169044615

約数列:

[1, 3, 5, 9, 15, 45, 53, 109, 159, 265, 327, 477, 545, 795, 829, 981, 1635, 2385, 2487, 4145, 4905, 5777, 7461, 12435, 17331, 28885, 37305, 43937, 51993, 86655, 90361, 131811, 219685, 259965, 271083, 395433, 451805, 659055, 813249, 1355415, 1977165, 4066245, 4789133, 14367399, 23945665, 43102197, 71836995, 215510985]

約数ペア:

[(1, 215510985), (3, 71836995), (5, 43102197), (9, 23945665), (15, 14367399), (45, 4789133), (53, 4066245), (109, 1977165), (159, 1355415), (265, 813249), (327, 659055), (477, 451805), (545, 395433), (795, 271083), (829, 259965), (981, 219685), (1635, 131811), (2385, 90361), (2487, 86655), (4145, 51993), (4905, 43937), (5777, 37305), (7461, 28885), (12435, 17331)]